Calculate the Greatest Common Factor or GCF of 375, 400 and 440
Sponsors
The instructions to find the GCF of 375, 400 and 440 are the next:
1. Decompose all numbers into prime factors
| 375 | 3 |
| 125 | 5 |
| 25 | 5 |
| 5 | 5 |
| 1 |
| 400 | 2 |
| 200 | 2 |
| 100 | 2 |
| 50 | 2 |
| 25 | 5 |
| 5 | 5 |
| 1 |
| 440 | 2 |
| 220 | 2 |
| 110 | 2 |
| 55 | 5 |
| 11 | 11 |
| 1 |
2. Write all numbers as the product of its prime factors
| Prime factors of 375 | = | 3 . 53 |
| Prime factors of 400 | = | 24 . 52 |
| Prime factors of 440 | = | 23 . 5 . 11 |
3. Choose the common prime factors with the lowest exponent
Common prime factors: 5
Common prime factors with the lowest exponent: 51
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 = 51 = 5
Also calculates the: