Calculate the Greatest Common Factor or GCF of 1209
Sponsors
The instructions to find the GCF of 1209 are the next:
1. Decompose all numbers into prime factors
1209 | 3 |
403 | 13 |
31 | 31 |
1 |
2. Write all numbers as the product of its prime factors
Prime factors of 1209 | = | 3 . 13 . 31 |
3. Choose the common prime factors with the lowest exponent
Common prime factors: 3 , 13 , 31
Common prime factors with the lowest exponent: 31, 131, 311
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. 131. 311 = 1209
Also calculates the: