Calculate the Greatest Common Factor or GCF of 1960
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The instructions to find the GCF of 1960 are the next:
1. Decompose all numbers into prime factors
| 1960 | 2 |
| 980 | 2 |
| 490 | 2 |
| 245 | 5 |
| 49 | 7 |
| 7 | 7 |
| 1 |
2. Write all numbers as the product of its prime factors
| Prime factors of 1960 | = | 23 . 5 . 72 |
3. Choose the common prime factors with the lowest exponent
Common prime factors: 2 , 5 , 7
Common prime factors with the lowest exponent: 23, 51, 72
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. 51. 72 = 1960
Also calculates the:
