Calculate the Greatest Common Factor or GCF of 429
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The instructions to find the GCF of 429 are the next:
1. Decompose all numbers into prime factors
| 429 | 3 |
| 143 | 11 |
| 13 | 13 |
| 1 |
2. Write all numbers as the product of its prime factors
| Prime factors of 429 | = | 3 . 11 . 13 |
3. Choose the common prime factors with the lowest exponent
Common prime factors: 3 , 11 , 13
Common prime factors with the lowest exponent: 31, 111, 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 = 31. 111. 131 = 429
Also calculates the:
