# Questions on Algebra: Divisibility and Prime Numbers answered by real tutors!

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 Algebra: Divisibility and Prime Numbers Solvers Lessons Answers archive Quiz In Depth

 Question 28281: what is the largest 5 digit # that is divisible by 6? Click here to see answer by fractalier(2101)

 Question 20953: show that the number is rational by writing it as a quotient of two integers.the number is 273 Click here to see answer by fractalier(2101)

 Question 41788: Can someone help me solve this problem? Is the following set of numbers a perfect triple? 8, 10 and 12 Thanks, Lyn Click here to see answer by Earlsdon(6287)

 Question 41690: Can someone help me with this problem? Is the following set of numbers a perfect triple? 8, 10, and 12 Thanks, Ashley Click here to see answer by fractalier(2101)

 Question 42024: Write as a product of primes: 1,000 Thank you. Click here to see answer by rapaljer(4667)

 Question 42054: Find the largest three digit number which has exactly ten factors, including 1 and itself. Click here to see answer by psbhowmick(529)

 Question 42053: When 391758 and 394915 are divided by a certain three digit number, the three digit remainder is the same in each case. Find the divisor. Click here to see answer by kev82(148)
 Question 42053: When 391758 and 394915 are divided by a certain three digit number, the three digit remainder is the same in each case. Find the divisor. Click here to see answer by AnlytcPhil(1277)

 Question 41316: 4x^5 + 10x^4 - 16x^2 divide by 4x^2 show work Click here to see answer by Nate(3500)

 Question 42047: what will be the remainder when 16^2+17^2+18^2+19^2 is divided by 70? Click here to see answer by fractalier(2101)

 Question 44114: How do I find which two triangles are similar? a) 48 degree and 69 degree b) 63 degree and 48 degree c) 63 degree and 78 degree Click here to see answer by adamchapman(301)

 Question 44112: How do I write 116 2/3% as a fraction or mixed number. Click here to see answer by fractalier(2101)

 Question 44113: How would I determine the maximum and minimum values of the following set of numbers: 3, -36/7, -1, -2/3, 5/4, 26/9 Click here to see answer by fractalier(2101)

 Question 44027: It is a fact that if an N is a composite number, then there exists a prime p is less than or equal to sqrt(N) which is a factor of N. Given this, how many primes must be checked to determine if 2003 is prime? How did you come up with the answer? Click here to see answer by fractalier(2101)

 Question 44282: Which part of 4x-3x^2+y is a factor? Is it x^2 or 2 Click here to see answer by AnlytcPhil(1277)

 Question 44607: please help me solve this problem factors the nos. a.231 and b.174 into prime factors set a = (1, 6/5, -5/6. -4, -r, 0, square root of 18, 6.2.which of the nos in A are irrationals, integers, negative, positive rationals Click here to see answer by stanbon(57377)

 Question 45328: THE PROLEM IS FIND TWO PRIME NUMBERS THAT IF MULTIPLIED,WORLD GENERATE A 400-DIGIT NUMBER. NOW MY QUESTION IS HOW DO i COME UP WITH THAT ANSWER? WHAT ARE THE TWO PRIME NUMBERS? ALSO WHAT ARE ALL THE PRIME NUMBERS BETWEEN 2 AND 1000? Click here to see answer by stanbon(57377)

 Question 48842: the sum of two numbers is 90. The second is 10 more than 4 times the first. What are the two numbers. help Click here to see answer by atif.muhammad(135)

 Question 49210: Tell whether each number is divisible by 2,3,4,5,6,9,10. Then classify the number as even or odd? 1.(1,000), 2.(6,598), 3.(399), 4.(27,453), 5.(33,324) and 6.(16,335)? Click here to see answer by AnlytcPhil(1277)

 Question 49530: How do you write the number 0.00283 in words and 17.39625 in words. I thought it would be two thousand eithty-three hundred thousandths --- and seventeen and thirty nine thousand six hundred twenty five hundred thousandths, but this doesn't look right. Please help. I understand the place value of the decimal,but don't know how to write it. Click here to see answer by stanbon(57377)

 Question 49867: John constructed a dart board. The possible scores are 0, 1, 2 or 3. A score of 0 is obtained if the dart misses the board. Sally challenges John to a game consisting of each player throwing 6 darts at the board. The scores from the 6 throws are added. In how many ways can a total score of 15 or 16 be obtained? Note: The total score obtained from 1+0+0+3+3+2 is considered different from the total score obtained from 0+0+1+3+3+2 Click here to see answer by AnlytcPhil(1277)

 Question 49990: I am confused, all it says to do is to simplify. I do not know how to do this? Am I missing something? Simplify a. X2 – 4 / X – 2 b. y2 + 2y / y2 + 4y + 4 Click here to see answer by stanbon(57377)

 Question 49988: UGH!!! What the heck is this? I have no clue as to what I am suppose to do with this? Please help me. Multiply or divide as indicated a. (5x+5)/6 multiplied by 3x/(x²+x) b. (x²+x)/10 divided by (2x+4)/5 Click here to see answer by AnlytcPhil(1277)

 Question 49986: This does not make sense to me. I am not getting the correct answer. I think I have the wrong formula. Find the indicated root or state that the expression is not a real number: a. 3√ 8 125 This is the cube root of 8/125. b. -4√81 Click here to see answer by stanbon(57377)

 Question 50485: Please help solve the following: Simplify: 1) -4x divided by x-x2 (squared) 2) 4w+wx divided by 7w 3) 5x-5x2 divided by 25x-25 4) 2x-2x2 divided by 8x-8 5)-2x divided by 8 Click here to see answer by seawind(8)

 Question 50813: The question is asking "What is the largest three digit number that is divisible by both nine and seven?" At first I tried to multiply nine and seven and that is obviously not the correct answer because it is not a three digit number, other than this, I have no idea where to begin to find the solution to this problem? Do you have any idea? Thank you! Click here to see answer by darq(90)

 Question 51785: use the box method to solve -5(x+3) -5x -15 -5x + -15 is this correct? Click here to see answer by Nate(3500)

 Question 52012: Find the prime factorization of 300. The answer is in the back of the book but I do not know how to arrive at the answer. Thanks~ Click here to see answer by checkley71(8403)

 Question 52260: Can someone please help me with this problem? I need to divide and round the quotient to the nearest thousandth: 6 1/7 divided by 3/14 Thanks, Sher Click here to see answer by AnlytcPhil(1277)

 Question 52675: two prime numbers that, if multiplied, would generate a 400-digit number Click here to see answer by THANApHD(104)

 Question 53041: If a number is divisible by 2 and 3, it must also be divisible by 6. a. True b. False Click here to see answer by checkley71(8403)

 Question 53062: The Greatest Common Factor of two different integers must always be smaller than at least one of those numbers. a. True b. False Click here to see answer by consc198(59)

 Question 53043: Two positive integers M and N are defined to be relatively prime if GCF(M, N) = 1. Which two pairs are numbers below are relatively prime? a. 17 and 51 b. 6 and 25 c. 18 and 45 d. None of the above. In order for two numbers to be relatively prime, at least one of them has to be prime Click here to see answer by consc198(59)
 Question 53043: Two positive integers M and N are defined to be relatively prime if GCF(M, N) = 1. Which two pairs are numbers below are relatively prime? a. 17 and 51 b. 6 and 25 c. 18 and 45 d. None of the above. In order for two numbers to be relatively prime, at least one of them has to be prime Click here to see answer by math_iz_hard(8)

 Question 53146: Can someone help me with this problem? 32 is ____________ number. (prime or composite) Thanks, Sher Click here to see answer by math_iz_hard(8)

 Question 53141: Can someone help me on this problem? 1, 12, 31, 99 -- Which number is prime? Thanks, Sher Click here to see answer by math_iz_hard(8)