Question

Which of the following pairs of number are not co-prime 7 , 15 or 12 , 21 or 12 , 49

Answer 1

the following pairs of number are not co-prime:

(15,13),(12,21),(21,49)

Answer 2

Answer:

7 is not co prime number because it is a prime number.

HOPE IT WILL HELP YOU

DON'T ASK LIKE THIS SILLY QUESTION