No, 50 and 65 are not relatively prime.
No, they are not relatively prime.
No, 30 and 135 are not relatively prime.
Yes, they are relatively prime.
yes
Yes.
No, 65 and 70 are not relatively prime. Relatively prime numbers only have the number 1 as a common factor. 65 and 70 also have 5 as a common factor, so they are not relatively prime.
The GCF of 26 and 65 is 13. 13 is a prime number. "Relatively prime" refers to numbers whose GCF is 1.
Yes. hcf(65, 112) = 1.
No, 30 and 40 are not relatively prime. Their greatest common factor is 10.
No, 30 and 36 are not relatively prime. They share the factors 3 and 6.
12 and 30 are not relatively prime because they have two common prime factors (2 and 3).