Yes.
Yes, they are relatively prime.
Yes, they are relatively prime.
Yes, they are relatively prime.
10=2*5 Any number that doesn't have a factor of 2 or 5 is relatively prime to 10. e.g. 3, 7, 11, and 21 are all relatively prime to 10. 2, 5, 15, 16, and 20 are not relatively prime since they share a factor or 2 or 5 (or both, which means they share a factor of 10, e.g. 20).
No, 7 and 14 are not relatively prime. They share the factor 7.
10 and 35 are not relatively prime because they share the prime factor 5.
No, 56 is not prime.
126 and 49 are not relatively prime because they have 7 as a common prime factor.
Yes! Ten and Twenty-seven are relatively prime.
No.
No, 14 and 21 are not relatively prime. They share the factor 7.No.
Two numbers are relatively prime if their greatest common divisor (GCD) is 1. In other words, there is no positive integer greater than 1 that divides both of the numbers. For example, 7 and 12 are relatively prime, but 10 and 15 are not, as their GCD is 5.