Question

1. Find the prime factors of the following:

(a) 60

(b) 99

(c) 200

(d) 216

(e) 240

(f) 550

(g) 672

2. Check which of the following numbers are divisible by 6

4566 ; 9321 ; 3936 ; 55572​

Answer 1

prime factor of 60 is 2×2×3×5

prime factor of 200 is 2×2×2×5×5

prime factor of 216 is 2×2×2×3×3×3

prime factor of 240 is 2×2×2×2×3×5

prime factor of 550 is 2×5×5×11

prime factor of 672 is 2×2×2×2×2×3×11

check which of the following number are divisible by 6

4566 is divisible by 6

9321 is not divisible by 6

3936 is divisible by 6

55572 is not divisible by 6