Question

which is one as their Common Factor​

Answer 1

Answer:

the numbers which have only 1 as their common factors are called co-prime numbers

Step-by-step explanation:

Answer 2

Answer:

When two numbers have no prime factors in common, their greatest common factor is 1. Example: ... 9 and 20 have no prime factors in common. The greatest common factor is 1.

Step-by-step explanation:

Hope this is helpful.