Math, asked by nithyashree18, 11 months ago

find HCF and LCM of 21 28 36 and 45 by using prime factorization method

Answers

Answered by ShreyaSrivastava221

7

Answer:

1

Step-by-step explanation:

21=3*7

28=2*2*7

36=2*2*3*3

45=3*3*5

as no no. is common therefore HCF is 1

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