Question

Ques-6. Are 15 and 27 co - prime numbers?​

Answer 1

Answer:

No

Step-by-step explanation:

15 and 27 are not coprime (relatively, mutually prime) if they have common prime factors, that is, if their greatest (highest) common factor (divisor), gcf, hcf, gcd, is not 1.

15 = 3 × 5;

15 is not a prime, is a composite number;

27 = 33;

27 is not a prime, is a composite number;