Calculate the Greatest Common Factor or GCF of 1915
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The instructions to find the GCF of 1915 are the next:
1. Decompose all numbers into prime factors
1915 | 5 |
383 | 383 |
1 |
2. Write all numbers as the product of its prime factors
Prime factors of 1915 | = | 5 . 383 |
3. Choose the common prime factors with the lowest exponent
Common prime factors: 5 , 383
Common prime factors with the lowest exponent: 51, 3831
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 = 51. 3831 = 1915
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