Question

____ number that have only 1 as the common factor
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Answer 1

Answer:

Co prime number

Step-by-step explanation:

The two numbers which have only 1 as their common factor are called co-primes.

For example, Factors of 5 are 1,5

Factors of 3 are 1,3

Common factors is 1.

So they are co-prime numbers

Answer 2

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