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Q: What prime number can go into 15 and 42?

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Numbers that can go into 42 are 1, 2, 3, 6, 7, 14, 21, and 42.

The only whole number that can go in both 5 and 42 is 1 since these numbers are co-prime.

1 13 is a prime number.

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.

210.

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)

15 will go into 42 two times with 12 left over.

not by a whole number 15 x 4 = 60 15 x 5 = 75 63/15 = 21/5 = 42/10 = 4.2

No, there is no last prime number. They go on forever.

53 is a prime number; no other number other than 1 and itself can go into it.

2,058

42

588

42

There is no biggest prime number: they go on for ever.

Only itself because 211 is a prime number

the number 177 is not a prime number. 3 and 59 go into 177.

15 times

no 11 can go in it

2 with remainder 15.

1 only as 3 & 5 r prime numbers.

yes, but a few spaces wouldn't go amiss.

It is PRIME because nothing can go into it

39 is prime because no number can go into it.

2 will.