Calculate the Greatest Common Factor or GCF of 1278
Sponsors
The instructions to find the GCF of 1278 are the next:
1. Decompose all numbers into prime factors
1278 | 2 |
639 | 3 |
213 | 3 |
71 | 71 |
1 |
2. Write all numbers as the product of its prime factors
Prime factors of 1278 | = | 2 . 32 . 71 |
3. Choose the common prime factors with the lowest exponent
Common prime factors: 2 , 3 , 71
Common prime factors with the lowest exponent: 21, 32, 711
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. 32. 711 = 1278
Also calculates the: