Calculate the Greatest Common Factor or GCF of 72 and 2848
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The instructions to find the GCF of 72 and 2848 are the next:
1. Decompose all numbers into prime factors
| 72 | 2 |
| 36 | 2 |
| 18 | 2 |
| 9 | 3 |
| 3 | 3 |
| 1 |
| 2848 | 2 |
| 1424 | 2 |
| 712 | 2 |
| 356 | 2 |
| 178 | 2 |
| 89 | 89 |
| 1 |
2. Write all numbers as the product of its prime factors
| Prime factors of 72 | = | 23 . 32 |
| Prime factors of 2848 | = | 25 . 89 |
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:
