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

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

Question 237000: 3x^2 - 8x + 5 = 0.
Click here to see answer by thrasherlax74(11)

Question 237034: what is the equation for36 and 48 prime fatorarization
Click here to see answer by solver91311(24713)

Question 238106: how many 4 digit prime numbers are there?
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Question 238190: If a three digit number is divided by 5 or 6,the remainder is 1 in each case. What is the least such three digit number?
Click here to see answer by solver91311(24713)

Question 238468: 93xy is divisible by 72. then,
x=
y=

Click here to see answer by vleith(2983)

Question 238461: The total number of prime divisors of the natural number 2002 is:
(A) 2 (B) 3 (C) 4 (D) 5 (E) None of the above.
Click here to see answer by jsmallt9(3758)

Question 238469: 93xy is divisible by 72. then,
x=
y=
when this number is divided by 6,8,and 4, a there's always a reminder of 1?what is the least value of this number?
Click here to see answer by jsmallt9(3758)

Question 238732: List the five (5) 2-digit primes each of whose digits is NOT prime
Click here to see answer by Alan3354(69443)

Question 239702: 1st penny = 1 gumballs
2nd penny = 4 gumballs
3rd penny = 10 gumballs
4th penny = 19 gumballs
5th penny = 31 gumballs
6th penny = ? gumballs
7th penny = ? gumballs
8th penny = ? gumballs
Click here to see answer by College Student(505)

Question 240094: What is the smallest positive number divisible by four primes?
Click here to see answer by solver91311(24713)

Question 240490: A circular coffee table has a diameter of 5 ft. What will it cost to have the top refinished if the company chares $3 per square foot for the refinishing

Click here to see answer by edjones(8007)

Question 240488: What are the correct steps to answer this problem 52 divided by 323.18
Click here to see answer by rfer(16322)

Question 240785: 11.2 divided by -2.8 = ____
Click here to see answer by Alan3354(69443)

Question 241059: What is the sum of all the one-digit prime numbers?
A)15 B) 16 C) 17 D) 18

Click here to see answer by checkley77(12844)

Question 241454: what numbers are 6,925 divisible by?
Click here to see answer by Alan3354(69443)

Question 242034: What is the prime factorization of 315 and how did you get the answer.
Mark
myemail7@stny.rr.com
Click here to see answer by Edwin McCravy(20054)

Question 242034: What is the prime factorization of 315 and how did you get the answer.
Mark
myemail7@stny.rr.com
Click here to see answer by nyc_function(2741)

Question 242336: The difference between the least common multiple and the greatest common
divisor of the numbers 5, 10, and 35 is
a.1745 b. 35 c. 65 d. 5 e. None of these
Click here to see answer by edjones(8007)

Question 242374: least common multiple 150, 28, 135
Click here to see answer by edjones(8007)

Question 242459: Find the greatest positive prime factor of 2^20 - 1.
Click here to see answer by Alan3354(69443)

Question 242631: If a number is divisible by both 4 and 9, by what other numbers is it divisible?Explain. Thank you.
Click here to see answer by Theo(13342)

Question 242630: If a number is divisible by both 4 and 9, by what other numbrs is it divisible? Explain.
Click here to see answer by nyc_function(2741)

Question 242622: The difference between the least common multiple and the greatest common
divisor of the numbers 5, 10, and 35 is
a.1745 b. 35 c. 65 d. 5 e. None of these
Click here to see answer by edjones(8007)

Question 242871: The difference between the lowest common multiple and greatest common divisor of the numbers 5, 10, and 35 is:
a. 1745 b. 35 c. 65 d. 5 e. NG
Click here to see answer by JimboP1977(311)

Question 242980: which of the 10 digits can be the ones digit of a prime number?
Click here to see answer by Alan3354(69443)

Question 242982: If one whole number is a factor of another number, what is the LCM of the two numbers? What is their GCF?
Click here to see answer by stanbon(75887)

Question 242981: The red lights in an advertisement board blink every 3 seconds. The blue lights blink every 4 seconds and the green lights blink every 6 seconds. The three kinds of lights blinked together at 7:00 p.m. After how many seconds will they blinked together again? How many times will they blink together in one minute?
Click here to see answer by stanbon(75887)

Question 243157: If N is the least common multiple of 10 and 18, what is the greatest common factor of 132 and N?
A. 2 B. 3 C. 6 D. 11 E. 12
Click here to see answer by vleith(2983)

Question 243417: Let a and b be digits of a three �digit number �6ab� that is greater than 600. if �6ab� is divisible by 4 , how many possibilities are there for the two- digit number �ab� ?
Click here to see answer by Edwin McCravy(20054)

Question 243955: 4(7*6)
Click here to see answer by rfer(16322)

Question 244661: 325 by 5
Click here to see answer by stanbon(75887)

Question 244992: hello.
what is a prime number?
Click here to see answer by richwmiller(17219)

Question 245848: Divide if possible.
-105 divided by -21
Click here to see answer by richwmiller(17219)

Question 246052: How many distinct prime factors does 56 have?
Click here to see answer by checkley77(12844)

Question 246393: Hi! i'm having some trouble with Prime Numbers. Here is my question
Write 270 as a product of prime numbers
Click here to see answer by jim_thompson5910(35256)

Question 246395: I'm having trouble with this question, please help me. Here is my question....

convert 5280 feet to miles
Click here to see answer by Jeff Gordon(65)

Question 246497: what is greatest common factor a(a+1)-3(a+1)
Click here to see answer by richwmiller(17219)

Question 246694: What is the smallest positive integer divisible by all of the first ten positive integers?
Click here to see answer by jsmallt9(3758)

Question 246861: what is the name given to numbers that are divisible by 1 and itself?
Click here to see answer by Jeff Gordon(65)

Question 246861: what is the name given to numbers that are divisible by 1 and itself?
Click here to see answer by solver91311(24713)

Question 247050: is x^2 - x^35 prime?
Click here to see answer by solver91311(24713)

Question 248031: find two factors of 28 and a sum of 11
Click here to see answer by Alan3354(69443)

Question 248031: find two factors of 28 and a sum of 11
Click here to see answer by richwmiller(17219)

Question 248153: What is the smallest prime factor of 1821?
Click here to see answer by Fombitz(32388)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295