Calculate the Greatest Common Factor or GCF of 2159
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The instructions to find the GCF of 2159 are the next:
1. Decompose all numbers into prime factors
2159 | 17 |
127 | 127 |
1 |
2. Write all numbers as the product of its prime factors
Prime factors of 2159 | = | 17 . 127 |
3. Choose the common prime factors with the lowest exponent
Common prime factors: 17 , 127
Common prime factors with the lowest exponent: 171, 1271
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 = 171. 1271 = 2159
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