Calculate the Greatest Common Factor or GCF of 88 and 4680
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The instructions to find the GCF of 88 and 4680 are the next:
1. Decompose all numbers into prime factors
| 88 | 2 |
| 44 | 2 |
| 22 | 2 |
| 11 | 11 |
| 1 |
| 4680 | 2 |
| 2340 | 2 |
| 1170 | 2 |
| 585 | 3 |
| 195 | 3 |
| 65 | 5 |
| 13 | 13 |
| 1 |
2. Write all numbers as the product of its prime factors
| Prime factors of 88 | = | 23 . 11 |
| Prime factors of 4680 | = | 23 . 32 . 5 . 13 |
3. Choose the common prime factors with the lowest exponent
Common prime factors: 2
Common prime factors with the lowest exponent: 23
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 = 23 = 8
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