Calculate the Greatest Common Factor or GCF of 72 and 3800
Sponsors
The instructions to find the GCF of 72 and 3800 are the next:
1. Decompose all numbers into prime factors
| 72 | 2 |
| 36 | 2 |
| 18 | 2 |
| 9 | 3 |
| 3 | 3 |
| 1 |
| 3800 | 2 |
| 1900 | 2 |
| 950 | 2 |
| 475 | 5 |
| 95 | 5 |
| 19 | 19 |
| 1 |
2. Write all numbers as the product of its prime factors
| Prime factors of 72 | = | 23 . 32 |
| Prime factors of 3800 | = | 23 . 52 . 19 |
3. Choose the common prime factors with the lowest exponent
Common prime factors: 2
Common prime factors with the lowest exponent: 23
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 = 8
Also calculates the: