Calculate the Greatest Common Factor or GCF of 1986
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The instructions to find the GCF of 1986 are the next:
1. Decompose all numbers into prime factors
| 1986 | 2 |
| 993 | 3 |
| 331 | 331 |
| 1 |
2. Write all numbers as the product of its prime factors
| Prime factors of 1986 | = | 2 . 3 . 331 |
3. Choose the common prime factors with the lowest exponent
Common prime factors: 2 , 3 , 331
Common prime factors with the lowest exponent: 21, 31, 3311
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. 31. 3311 = 1986
Also calculates the:
