Calculate the Greatest Common Factor or GCF of 1355
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The instructions to find the GCF of 1355 are the next:
1. Decompose all numbers into prime factors
1355 | 5 |
271 | 271 |
1 |
2. Write all numbers as the product of its prime factors
Prime factors of 1355 | = | 5 . 271 |
3. Choose the common prime factors with the lowest exponent
Common prime factors: 5 , 271
Common prime factors with the lowest exponent: 51, 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 = 51. 2711 = 1355
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