Question

Which of the following is a pair of co-primes? *
1 point
6,12
5,25
5,7
12,27

Answer 1

Answer : 5, 7

Solution :

1st No. 2nd No. gcd co-primes

6 12 = 6×2 6 No

5 25 = 5×5 5 No

5 7 1 Yes

12 = 4×3 27=3×3×3 3 No