whats the hcf of 154, 330, 396? :(
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Step-by-step explanation:
Prime factors of 154 = 2 . 7 . 11
Prime factors of 330 = 2 . 3 . 5 . 11
Prime factors of 396 = 22 . 32 . 11
Choose the common prime factors with the lowest exponent
Common prime factors: 2 , 11
HCF= 2×11 = 22
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