To get the Greates Common Factor (GCF) of 15 and 27 we need to factor each value first and then we choose all the copies of factors and multiply them:
| 15: | 3 | 5 | ||
| 27: | 3 | 3 | 3 | |
| GCF: | 3 |
The Greates Common Factor (GCF) is: 3
To get the Greates Common Factor (GCF) of 15 and 27 we need to factor each value first and then we choose all the copies of factors and multiply them:
| 15: | 3 | 5 | ||
| 27: | 3 | 3 | 3 | |
| GCF: | 3 |
The Greates Common Factor (GCF) is: 3