Question

Which of the following pairs is not co-prime? *
12, 11
11, 22
1, 3
31, 33

Answer 1

Answer:

31,33.

Step-by-step explanation:

I hope right my answer.

Answer 2

Answer:

1 and 3

Step-by-step explanation:

12 and 11 are not co prime because 12 is divisible by 2, 3, 4, 6

11 and 22 are not co prime because 22 is divisible by 2, 11

31 and 33 are not co prime because 33 is divisible by 3, 11

1 and 3 is co prime because 1 and 3 are only divisible by 1 and 3.

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