Question

Which of the following numbers are relatively to prime to 16?

15.

55.

6.

9.

60.

12.

Answer 1

prime numbers are numbers that have only 2factors

relatively prime is no integer greater than one divides them both (god-greatest common denominator)

15 is relatively prime to 16
55 is relatively prime to 16
9 is relatively prime to 16
the rest are not

i hope this helps