Question

which of the following are co-prime
(a) 9 and 13?
(b) 15 and 25?​

Answer 1

Answer:

9 and 13

Step-by-step explanation:

9 and 13 are co- primes.....

Answer 2

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9 and 13

Step-by-step explanation:

As co-prime numbers are two numbers that have only 1 as their common factor.

Since 15 and 25 have 1 and 5 two factors so they aren't co-prime numbers.

Hope it helps