Calculate the Greatest Common Factor or GCF of 3157
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The instructions to find the GCF of 3157 are the next:
1. Decompose all numbers into prime factors
3157 | 7 |
451 | 11 |
41 | 41 |
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2. Write all numbers as the product of its prime factors
Prime factors of 3157 | = | 7 . 11 . 41 |
3. Choose the common prime factors with the lowest exponent
Common prime factors: 7 , 11 , 41
Common prime factors with the lowest exponent: 71, 111, 411
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 = 71. 111. 411 = 3157
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