45 and 64 are not prime numbers because they both have more than two factors
No. each number has more factors than just 1 and 64 or 1 and 80
75,112
No, they are not relatively prime.
25 is relatively prime with 36. 25 is not relatively prime with 35.
No, 120 and 835 are not relatively prime.
22 is not relatively prime
No, they are not relatively prime.
Yes, 45 and 64 are relatively prime because they do not share any prime factors.
No. Two even numbers cannot be relatively prime.
No, 64 and 144 are not relatively prime. To be relatively prime, the only common factor they could have would be 1. They have other common factors such as 2, 4, 8 and 16.
No.
No two even numbers are relatively prime. The GCF is 2.
45 and 64 are not prime numbers because they both have more than two factors
Their GCF is 1.
Their GCF is 1.
No. They can both be divided by 5.