2^3 x 5 = 40
No, 51 isn't prime. 17 is the largest prime factor of 306.
51 = 3 x 17
Factors of 51: 1, 3, 17, and 51 3 and 17 are prime.
68
835 is not a prime number.
no
No.
15 is relatively prime.
Yes, they are relatively prime.
Yes, they are relatively prime.
No
Yes.
No.
40 = 23 x 51
one, it is relativly prime. (:
40 = 23 x 51 60 = 22 x 31 x 51