Calculate the Greatest Common Factor or GCF of 2740
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The instructions to find the GCF of 2740 are the next:
1. Decompose all numbers into prime factors
2740 | 2 |
1370 | 2 |
685 | 5 |
137 | 137 |
1 |
2. Write all numbers as the product of its prime factors
Prime factors of 2740 | = | 22 . 5 . 137 |
3. Choose the common prime factors with the lowest exponent
Common prime factors: 2 , 5 , 137
Common prime factors with the lowest exponent: 22, 51, 1371
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 = 22. 51. 1371 = 2740
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