Calculate the Greatest Common Factor or GCF of 2645
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The instructions to find the GCF of 2645 are the next:
1. Decompose all numbers into prime factors
2645 | 5 |
529 | 23 |
23 | 23 |
1 |
2. Write all numbers as the product of its prime factors
Prime factors of 2645 | = | 5 . 232 |
3. Choose the common prime factors with the lowest exponent
Common prime factors: 5 , 23
Common prime factors with the lowest exponent: 51, 232
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. 232 = 2645
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