Question

Check, which pair of the numbers is
co-prime ? *

9 and 21
7 and 14
16 and 19
24 and 30​

Answer 1

Step-by-step explanation:

Consider a set of two numbers, if they have no positive integer that can divide both, other than 1, the pair of numbers is co-prime. For 21 and 22: The factors of 21 are 1, 3, 7, and 21. The factors of 22 are 1, 2, 11, and 22.

Answer 2

Answer:

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