Calculate the Greatest Common Factor or GCF of 2981
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The instructions to find the GCF of 2981 are the next:
1. Decompose all numbers into prime factors
2981 | 11 |
271 | 271 |
1 |
2. Write all numbers as the product of its prime factors
Prime factors of 2981 | = | 11 . 271 |
3. Choose the common prime factors with the lowest exponent
Common prime factors: 11 , 271
Common prime factors with the lowest exponent: 111, 2711
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. 2711 = 2981
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