Below you can find the full step by step solution for you problem. We hope it will be very helpful for you and it will help you to understand the solving process.
If it's not what You are looking for type in the calculator fields your own values, and You will get the solution.
| 420: | 2 | 2 | 3 | 5 | 7 | ||
| 1386: | 2 | 3 | 3 | 7 | 11 | ||
| GCF: | 2 | 3 | 7 |
The Greates Common Factor (GCF) is: 2 x 3 x 7 = 42
| Greatest Common Factor (GCF) of 42 and 109 | | Greatest Common Factor (GCF) of 31 and 109 | | Greatest Common Factor (GCF) of 363 and 396 | | Greatest Common Factor (GCF) of 540 and 840 | | Greatest Common Factor (GCF) of 171 and 545 | | Greatest Common Factor (GCF) of 85 and 8 | | Greatest Common Factor (GCF) of 16 and 170 | | Greatest Common Factor (GCF) of 5400 and 60 | | Greatest Common Factor (GCF) of 91 and 1508 | | Greatest Common Factor (GCF) of 755 and 140 | | Greatest Common Factor (GCF) of 363 and 627 | | Greatest Common Factor (GCF) of 119 and 161 | | Greatest Common Factor (GCF) of 506 and 138 | | Greatest Common Factor (GCF) of 136 and 72 | | Greatest Common Factor (GCF) of 741 and 78 | | Greatest Common Factor (GCF) of 221 and 299 | | Greatest Common Factor (GCF) of 450 and 242 | | Greatest Common Factor (GCF) of 238 and 646 | | Greatest Common Factor (GCF) of 286 and 572 | | Greatest Common Factor (GCF) of 540 and 48 | | Greatest Common Factor (GCF) of 104 and 63 | | Greatest Common Factor (GCF) of 540 and 8 | | Greatest Common Factor (GCF) of 285 and 12 | | Greatest Common Factor (GCF) of 117 and 119 | | Greatest Common Factor (GCF) of 17 and 354 | | Greatest Common Factor (GCF) of 135 and 21 | | Greatest Common Factor (GCF) of 258 and 180 | | Greatest Common Factor (GCF) of 6 and 280 | | Greatest Common Factor (GCF) of 314 and 12 | | Greatest Common Factor (GCF) of 56 and 145 | | Greatest Common Factor (GCF) of 772 and 181 | | Greatest Common Factor (GCF) of 1000 and 52 |