Calculate the Greatest Common Factor or GCF of 51170
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The instructions to find the GCF of 51170 are the next:
1. Decompose all numbers into prime factors
51170 | 2 |
25585 | 5 |
5117 | 7 |
731 | 17 |
43 | 43 |
1 |
2. Write all numbers as the product of its prime factors
Prime factors of 51170 | = | 2 . 5 . 7 . 17 . 43 |
3. Choose the common prime factors with the lowest exponent
Common prime factors: 2 , 5 , 7 , 17 , 43
Common prime factors with the lowest exponent: 21, 51, 71, 171, 431
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 = 21. 51. 71. 171. 431 = 51170
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