Calculate the Greatest Common Factor or GCF of 62, 186 and 496
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The instructions to find the GCF of 62, 186 and 496 are the next:
1. Decompose all numbers into prime factors
| 62 | 2 |
| 31 | 31 |
| 1 |
| 186 | 2 |
| 93 | 3 |
| 31 | 31 |
| 1 |
| 496 | 2 |
| 248 | 2 |
| 124 | 2 |
| 62 | 2 |
| 31 | 31 |
| 1 |
2. Write all numbers as the product of its prime factors
| Prime factors of 62 | = | 2 . 31 |
| Prime factors of 186 | = | 2 . 3 . 31 |
| Prime factors of 496 | = | 24 . 31 |
3. Choose the common prime factors with the lowest exponent
Common prime factors: 2 , 31
Common prime factors with the lowest exponent: 21, 311
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. 311 = 62
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