If it's not what You are looking for type in the calculator fields your own values, and You will get the solution.

To find the greatest common factor of two numbers just type them in and get the solution.

To get the Greates Common Factor (GCF) of 66 and 57 we need to factor each value first and then we choose all the copies of factors and multiply them:

66: | 2 | 3 | 11 | |

57: | 3 | 19 | ||

GCF: | 3 |

**The Greates Common Factor (GCF) is: 3**

| Greatest Common Factor (GCF) of 69 and 21 | | Greatest Common Factor (GCF) of 90 and 39 | | Greatest Common Factor (GCF) of 74 and 62 | | Greatest Common Factor (GCF) of 66 and 10 | | Greatest Common Factor (GCF) of 34 and 30 | | Greatest Common Factor (GCF) of 20 and 58 | | Greatest Common Factor (GCF) of 18 and 14 | | Greatest Common Factor (GCF) of 27 and 6 | | Greatest Common Factor (GCF) of 8 and 7 | | Greatest Common Factor (GCF) of 480 and 40 | | Greatest Common Factor (GCF) of 21 and 175 | | Greatest Common Factor (GCF) of 9 and 24 | | Greatest Common Factor (GCF) of 567 and 777 | | Greatest Common Factor (GCF) of 365 and 567 | | Greatest Common Factor (GCF) of 356 and 557 | | Greatest Common Factor (GCF) of 356 and 554 | | Greatest Common Factor (GCF) of 126 and 264 | | Greatest Common Factor (GCF) of 13 and 59 | | Greatest Common Factor (GCF) of 84 and 1470 | | Greatest Common Factor (GCF) of 112 and 30 | | Greatest Common Factor (GCF) of 1000 and 68 | | Greatest Common Factor (GCF) of 100115 and 225 | | Greatest Common Factor (GCF) of 4864 and 96 | | Greatest Common Factor (GCF) of 6975 and 84 | | Greatest Common Factor (GCF) of 504 and 306 | | Greatest Common Factor (GCF) of 60 and 200 | | Greatest Common Factor (GCF) of 78 and 26 | | Greatest Common Factor (GCF) of 500 and 650 | | Greatest Common Factor (GCF) of 120 and 156 | | Greatest Common Factor (GCF) of 30 and 84 | | Greatest Common Factor (GCF) of 34 and 44 | | Greatest Common Factor (GCF) of 33 and 38 | | Greatest Common Factor (GCF) of 42 and 96 | | Greatest Common Factor (GCF) of 72 and 120 | | Greatest Common Factor (GCF) of 2 and 431 | | Greatest Common Factor (GCF) of 38 and 95 | | Greatest Common Factor (GCF) of 405 and 245 | | Greatest Common Factor (GCF) of 225 and 196 | | Greatest Common Factor (GCF) of 284 and 71 | | Greatest Common Factor (GCF) of 3 and 28 | | Greatest Common Factor (GCF) of 2 and 63 | | Greatest Common Factor (GCF) of 2 and 24 | | Greatest Common Factor (GCF) of 9 and 20 | | Greatest Common Factor (GCF) of 324 and 121 | | Greatest Common Factor (GCF) of 60 and 11 | | Greatest Common Factor (GCF) of 10 and 13 | | Greatest Common Factor (GCF) of 105 and 14 | | Greatest Common Factor (GCF) of 48 and 20 | | Greatest Common Factor (GCF) of 77 and 56 | | Greatest Common Factor (GCF) of 55 and 40 | | Greatest Common Factor (GCF) of 810000 and 285000 | | Greatest Common Factor (GCF) of 105 and 4352 | | Greatest Common Factor (GCF) of 185 and 100 | | Greatest Common Factor (GCF) of 86 and 129 | | Greatest Common Factor (GCF) of 14 and 70 | | Greatest Common Factor (GCF) of 27 and 71 | | Greatest Common Factor (GCF) of 20 and 48 | | Greatest Common Factor (GCF) of 105 and 35 | | Greatest Common Factor (GCF) of 108 and 147 | | Greatest Common Factor (GCF) of 91 and 23 | | Greatest Common Factor (GCF) of 77 and 7 | | Greatest Common Factor (GCF) of 4 and 76 | | Greatest Common Factor (GCF) of 105 and 168 | | Greatest Common Factor (GCF) of 39 and 45 | | Greatest Common Factor (GCF) of 31 and 66 |

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