Calculate the Greatest Common Factor or GCF of 51405
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The instructions to find the GCF of 51405 are the next:
1. Decompose all numbers into prime factors
51405 | 3 |
17135 | 5 |
3427 | 23 |
149 | 149 |
1 |
2. Write all numbers as the product of its prime factors
Prime factors of 51405 | = | 3 . 5 . 23 . 149 |
3. Choose the common prime factors with the lowest exponent
Common prime factors: 3 , 5 , 23 , 149
Common prime factors with the lowest exponent: 31, 51, 231, 1491
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 = 31. 51. 231. 1491 = 51405
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