The greatest common factor of 39, 42, and 72 is 3
Yes.
Factors of 42 include: 1 & 42, 2 & 11, 3 & 14, and 6 & 7. For these factors, 1, 2, 11, 3 and 7 are prime. Factors of 72 include: 1 & 72, 2 & 36, 3 & 24, 4 & 18, 6 & 12, and 8 & 9. For these factors, 1 and 3 are prime. Factors of 84 include: 1 & 84, 2 & 42, 3 & 28, 4 & 21, 6 & 14, and 7 & 12. For these factors, 1, 3 and 7 are prime.
what is the prime factorization of 72 with examples
9 is not prime, so it is not a prime factor of 72, great or otherwise.
No they have common factor of 3
No, 72 and 252 are not relatively prime. No pair of even numbers can be relatively prime.
they are not relatively prime
No, they are not relatively prime.
55 and 72 are relatively prime because they have no prime factors in common.
The greatest common factor of 39, 42, and 72 is 3
72 and 115 are relatively prime, having no common factors greater than 1.
No.
No.
72
Yes.
Yes.