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What prime number can go into 42?
Numbers that can go into 42 are 1, 2, 3, 6, 7, 14, 21, and 42.
What number can go into 5 and 42?
The only whole number that can go in both 5 and 42 is 1 since these numbers are co-prime.
What number can go into 10 15 and 13?
1 13 is a prime number.
How do you get the answer for 168 as a product of the prime numbers?
To find the prime factors of a number, divide the number by each prime number up to the greatest prime that will go into the number leaving no remainder. This is the process for factorization of 168: 168/2=84 84/2=42 42/2=21 21/3=7 7/7=1 Listing each divisor as a prime factor, the prime factors of 324 iare 2x2x2x3x7.
Is 15 a prime or composite number?
composite because 3 and 5 will go into it
What is 23 over 42 reduced to the lowest terms?
Cannot be done as 23 is a prime number - so no numbers go into it that also go into 42 (3 6 7 14 21)
What can 15 and 42 go into?
210.
How many times 15 go into 42?
15 will go into 42 two times with 12 left over.
Can 15 go into 63?
not by a whole number 15 x 4 = 60 15 x 5 = 75 63/15 = 21/5 = 42/10 = 4.2
Is 217 a prime or composite number?
Lets see if 217 is a prime or composite number. 15 times 15 is 225, so we will try the first prime numbers up to 15. They are 2, 3, 5, 7, 11, and 13. Will 2 go into 217? No 7 is odd. Will 3 go into 217. If we add the integers, they add up to 10. 3 does not go into 10. Will 5 go into 217. No. It does not end in a 0 or a 5. Will 7 go into 217. Lets see. Will 7 go into 21? Yes it goes in an even number of times. How about that. Will seven go into 7. Yes it goes in an even number of times. You can show the math.
Which numbers go into 210?
1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210.
Which number has exactly 15 factors?
The number that has exactly 15 factors is 28. To determine the number of factors a number has, you can prime factorize the number and then add 1 to each exponent in the prime factorization and multiply these numbers together. In the case of 28, the prime factorization is 2^2 * 7^1, so the number of factors is (2+1) * (1+1) = 3 * 2 = 6. To have exactly 15 factors, the number needs to be a square of a prime number, so 28 = 2^2 * 7^1 fits this criteria.
