Question

Find the HCF and LCM of 21, 33, 45 by
fac
toritation method:​

Answer 1

hcf 3

lcm 1155

hopefully it help you mark me BRAINLIEST

Answer 2

Answer -

HCF = 3

LCM = 3,465

Explanation -

21 = 3 × 7

33 = 3 × 11

45 = 3 × 3 × 5

Common factors are in bold & underlined text.

Number which is only common in all three numbers is 3

Hence, HCF is 3

Here, LCM = 3 × 3 × 5 × 11 × 7

= 3,465

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