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

Tutors Answer Your Questions about Divisibility and Prime Numbers (FREE)

Question 460209: 23 is prime

Click here to see answer by MathLover1(20849)

Question 461564: If N and M are the multiple of 2 which are not divisible by 4 then what will be the reminder when N + M will be divided by 4
A. 0
B. 1
C. 2
D. 3
E. 4

Click here to see answer by edjones(8007)

Question 462731: how will I show that the cube of any number is in the form 7k or 7k+1 or 7k-1
Click here to see answer by robertb(5830)

Question 463039: if n is divisible by 24 and 36 than how it would be divisible by 18
Click here to see answer by algebrahouse.com(1659)

Question 463147: 51,840
Click here to see answer by MathLover1(20849)

Question 464306: Please divide and simplify.
7^4
____
7^4
Click here to see answer by Alan3354(69443)

Question 464546: I don't know how to divide this.
-78r^11
_____
-3r^7
What is the quotient?
Click here to see answer by Alan3354(69443)

Question 464546: I don't know how to divide this.
-78r^11
_____
-3r^7
What is the quotient?
Click here to see answer by ewatrrr(24785)

Question 464546: I don't know how to divide this.
-78r^11
_____
-3r^7
What is the quotient?
Click here to see answer by MathLover1(20849)

Question 464719: It is correct that 3721164=12*17^2*29*37. Give the prime factorization of 372116400 (two zeros are underlined in problem). Notice the two extra zeros.
I really need help, and would appreciate your help!
Click here to see answer by Alan3354(69443)

Question 464748: if n=13^8*17^10, then the prime factorization of 26*n is______.
This is what I have so far, its not much, but I can't go further because I don't understand :( Please help!
26*13^8*17^10
Click here to see answer by Edwin McCravy(20054)

Question 464757: Suppose K=2^5*7*11, L=2^3*7*11*13, M=2*29^2, and N=4*11*13^2*29. Which is the least common multiple of each of the following (in factored form.)
A. K and L
B. M and N
C. K and M
D. K, L, and N
Click here to see answer by richard1234(7193)

Question 464755: When the number 540 is written as a product of it's prime factos in the from a^2b^3c, what is the numerical value of a+b+c?
Click here to see answer by richard1234(7193)

Question 464823: Give the prime factorization where n=4*7^20*5000. and where n=13^7*3000. If it is not possible explain why.
It's no problem if you don't want to explain why just want to get help on getting the prime factorization.
Click here to see answer by richard1234(7193)

Question 466012: x to the third power plus three divided by x to the second power minus five in lowest terms
Click here to see answer by sofiyac(983)

Question 470176: ((x)/(3)-(y)/(4))/(y)/(5)-(x)/(6))
I'm trying so so so much to solve that and still can not. Please, can you help me?
Click here to see answer by jim_thompson5910(35256)

Question 470874: If a is the smallest prime number greater than 21 and b is the
largest prime number less than 16, then ab =
A 299
B 323
C 330
D 345
E 351
How do you work this problem?
Click here to see answer by sudhanshu_kmr(1152)

Question 471261: If a is the smallest prime number greater than 21 and b is the
largest prime number less than 16, then ab =
A 299
B 323
C 330
D 345
E 351
How do you work this problem?
Can you please tell me how to work the problem and not just give me the answer?
Click here to see answer by ewatrrr(24785)

Question 470875: What is largest 4 digit num which when divided by 149 leaves remainder 5?
Click here to see answer by richard1234(7193)

Question 472275: Please Expain the steps to divide
a^2-49/a-7

Click here to see answer by stanbon(75887)

Question 473308: How do you factor 25r^2+10r+1
Click here to see answer by jim_thompson5910(35256)

Question 473313: 6x^2+19x+3/x+3
How do u divide this?
Click here to see answer by lwsshak3(11628)

Question 474837: After j candies were given to k kids, each kid has the same number of candies, with four candies remaining. In terms of j and k, how many candies did each kid get?
A) (j/k) + 4
B) (j/k) - 4
C) (j + 4)/k
D) (j - 4)/k
E) (jk)/k + 4
Please explain how I could approach and solve this problem, thanks!
Click here to see answer by richard1234(7193)

Question 474844: When k is divided by 7, the remainder is 4; and when k is divided by 3, the remainder is 0. What is a possible value of k?
A) 32
B) 30
C) 25
D) 18
E) 15
Please explain how I could approach and solve this, thanks!
Click here to see answer by richard1234(7193)

Question 474907: How many integers from -8000 to 8000 are divisible by 4?
Please explain how I could approach and solve this, thanks!
Click here to see answer by richard1234(7193)

Question 474907: How many integers from -8000 to 8000 are divisible by 4?
Please explain how I could approach and solve this, thanks!
Click here to see answer by robertb(5830)

Question 474908: When a positive integer n is divided by 6, the remainder is 2. What is the remainder when 7n is divided by 3?
Please explain how I could approach and solve this, thanks!
Click here to see answer by richard1234(7193)

Question 474828: If m is an odd integer, which expression always represents an odd integer?
A) 3^m - 1
B) (m - 1)/2
C) (2m - 1)^2
D) (m + 1)^2
E) m^2 + 2m + 1
Please explain how I could approach and solve this, thanks!
Click here to see answer by richard1234(7193)

Question 475896: write the number 52 as a product of prime factors
Click here to see answer by richard1234(7193)

Question 476631: weather 287,1369 and 2511 are primes or not?
Click here to see answer by stanbon(75887)

Question 477530: The number 10^2002 + 2 is divisible by A 4 B 5 C 6 D 9 E 10^1001
Click here to see answer by Edwin McCravy(20054)

Question 478396: what is the greatest prime you must consider to test whether 5944 is prime?
Click here to see answer by robertb(5830)

Question 480097: k^2-3k-18 all divided by 4k+12
Click here to see answer by Tatiana_Stebko(1539)

Question 481090: what is prime numbers?
Click here to see answer by Alan3354(69443)

Question 481089: what is prime numbers?
Click here to see answer by Alan3354(69443)

Question 483920: find the greatest five digit number that is divisible by 21?
Click here to see answer by Alan3354(69443)

Question 484804: what are the rules divisible by 7 and it's numbers which can be divisible
Click here to see answer by MathLover1(20849)

Question 484921: what is the LCM of 765,348
Click here to see answer by Tatiana_Stebko(1539)

Question 485410: Solve linear equation:
-3(a+2)+7(-2a-1)=6a-6(3a+5)
Click here to see answer by jainpreeja(10)

Question 486539: 999 +9
Click here to see answer by deborabr(181)

Question 487721: I need help understanding the following;
Find the LCM of the following numbers:
15,9,6
Click here to see answer by Edwin McCravy(20054)

Question 487626: if x is a prime number greater than 5,then what is the remainder when X is divided by 6?
Click here to see answer by richard1234(7193)

Question 488489: i am number that is divisible by ,2,3,4 and 5 and less than 70 who am i
Click here to see answer by stanbon(75887)

Question 489708: Simplify to get a single fraction:
c.(x^2+6x+8)/(x^2-4)
don't really get this bc i got 1 remainder 6x+4, but that's not a single fraction. help please!
Click here to see answer by Gogonati(855)

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