Question

find two numbers that are not prime and have an HCF of 1

Answer 1

find two numbers that are not prime and have an HCF of 1

⭐Solution ⭐

✅ number will be ,

= 4,9

Because ,

(1). 4,9 are not prime number

(2) 4=1×2×2

9 = 1×3×3

so,

HCF of 4,9 will be

= 1.

Answer 2

Answer:

it is co prime.

18 and 35 are not a prime number

Factors of 18 are 1, 2, 3, 6, 9 and 18.

Factors of 35 are 1, 5, 7 and 35.

Therefore , 1 is the only common factor of

18 and 35. It means that 18 and 35 are

co-prime.