Find the HCF of 132, 143, 187
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Step-by-step explanation:
The instructions to find the GCF of 132, 143 and 374 are the next:
1. Decompose all numbers into prime factors
132 2 66 2 33 3 11 11 1 143 11 13 13 1 374 2 187 11 17 17 1
2. Write all numbers as the product of its prime factors
Prime factors of 132 = 22 . 3 . 11
Prime factors of 143 = 11 . 13
Prime factors of 374 = 2 . 11 . 17
3. Choose the common prime factors with the lowest exponent
Common prime factors: 11
Common prime factors with the lowest exponent: 111
4. Calculate the Greatest Common Factor or GCF
Remember, to find the GCF of several numbers you must multiply the common prime factors with the lowest exponent.
GCF = 111 = 11
Also calculates the:
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