Calculate the Greatest Common Factor or GCF of 51156
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The instructions to find the GCF of 51156 are the next:
1. Decompose all numbers into prime factors
| 51156 | 2 | 
| 25578 | 2 | 
| 12789 | 3 | 
| 4263 | 3 | 
| 1421 | 7 | 
| 203 | 7 | 
| 29 | 29 | 
| 1 | 
2. Write all numbers as the product of its prime factors
| Prime factors of 51156 | = | 22 . 32 . 72 . 29 | 
3. Choose the common prime factors with the lowest exponent
Common prime factors: 2 , 3 , 7 , 29
Common prime factors with the lowest exponent: 22, 32, 72, 291
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 = 22. 32. 72. 291 = 51156
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