Calculate the Greatest Common Factor or GCF of 624
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The instructions to find the GCF of 624 are the next:
1. Decompose all numbers into prime factors
| 624 | 2 |
| 312 | 2 |
| 156 | 2 |
| 78 | 2 |
| 39 | 3 |
| 13 | 13 |
| 1 |
2. Write all numbers as the product of its prime factors
| Prime factors of 624 | = | 24 . 3 . 13 |
3. Choose the common prime factors with the lowest exponent
Common prime factors: 2 , 3 , 13
Common prime factors with the lowest exponent: 24, 31, 131
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 = 24. 31. 131 = 624
Also calculates the:
