find the hcf of 36 78 90 by prime factorization method
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2∫36 2∫78 2∫90
2∫12 2∫24 5∫45
2∫6 2∫12 3∫9
∫3 2∫6 3∫3
∫3 ∫1
now hcf
36=2*2*2*3
78=2*2*2*2*3
90=2*5*3*3*1
h
HCF=2*3
=6
Step-by-step explanation:
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