Math, asked by aijazbinabdullah, 3 months ago

find the hcf of 21 28 and 42

Answers

Answered by coolcutecarrot

Answer:

Highest Common Factor of 21 28 and 42 is 7

anabiaqasim397439: do it step by step

coolcutecarrot: ok

coolcutecarrot: 1st take out factors for:
21, 28 and 42:
21= 3,7,21
28=4,7,2,14,28
42=6, 7, 2, 21, 14, 3, 42

Now check the common factors:
21= 3,7,21
28=4,7,2,14,28
42=6,7,2,21,14,3,42

7 is the only common factor in all

So, the common factor of 21,28 and 42 is 7.

Hope it helps ya :)

Answered by tanishkamaurya67

Answer:

HCF

Step-by-step explanation:

21 / 28/ 42 o think sorry

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