No.
9 is not prime. 9 = 3 * 38 is not prime. 8 = 2 * 2 * 2
5 is a prime number while 9 & 8 are compositenumbers.
No neither of them are because 3x3=9 so it is not prime. 8 is not either because 2x4=8
no neither are prime
composite 9 is prime
No.
Numbers that have no common factor like 8 and 9 as 8=23 and 9=32 The two of them are not prime but they have no common factor
prime. * * * * * WRONG! They are coprime, not prime. GCF(8, 9) is 1 but neither 8 nor 9 is a prime.
No
Yes.
7
The prime factorization of 72 is 72 9 x 8