Question

H.C.F. of 12,15 and 21 is​

Answer 1

Answer:

3

Step-by-step explanation:

HcF of 12,15,21 is 3

12=2×2×3

15=3×5

21=3×7

I hope it helps pls thanks ,follow and mark as brainliest

Answer 2

$\huge\underline{\overline{\mid{\bold{\mathbb{\red{AnsWer}\mid}}}}}$

$→12 = 2 \times 2 \times 3 \\ = {2}^{2} \times 3 \\ \\→ 15 = 5 \times 3 \\ \\ →21 = 7 \times 3$

${\boxed{HCF = 3}}$