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 81 and 72 we need to factor each value first and then we choose all the copies of factors and multiply them:

81: | 3 | 3 | 3 | 3 | |||

72: | 2 | 2 | 2 | 3 | 3 | ||

GCF: | 3 | 3 |

**The Greates Common Factor (GCF) is: 3 x 3 = 9**

| Greatest Common Factor (GCF) of 480 and 56 | | Greatest Common Factor (GCF) of 321 and 462 | | Greatest Common Factor (GCF) of 14 and 17 | | Greatest Common Factor (GCF) of 84 and 105 | | Greatest Common Factor (GCF) of 210 and 252 | | Greatest Common Factor (GCF) of 57 and 64 | | Greatest Common Factor (GCF) of 239 and 174 | | Greatest Common Factor (GCF) of 956 and 696 | | Greatest Common Factor (GCF) of 145 and 116 | | Greatest Common Factor (GCF) of 176 and 48 | | Greatest Common Factor (GCF) of 39 and 91 | | Greatest Common Factor (GCF) of 189 and 138 | | Greatest Common Factor (GCF) of 151 and 58 | | Greatest Common Factor (GCF) of 65 and 112 | | Greatest Common Factor (GCF) of 144 and 264 | | Greatest Common Factor (GCF) of 170 and 68 | | Greatest Common Factor (GCF) of 156 and 44 | | Greatest Common Factor (GCF) of 75 and 285 | | Greatest Common Factor (GCF) of 198 and 216 | | Greatest Common Factor (GCF) of 4 and 15 | | Greatest Common Factor (GCF) of 37 and 93 | | Greatest Common Factor (GCF) of 14 and 34 | | Greatest Common Factor (GCF) of 18 and 16 | | Greatest Common Factor (GCF) of 17 and 15 | | Greatest Common Factor (GCF) of 45 and 7 | | Greatest Common Factor (GCF) of 75 and 400 | | Greatest Common Factor (GCF) of 182 and 168 | | Greatest Common Factor (GCF) of 90 and 78 | | Greatest Common Factor (GCF) of 9 and 35 | | Greatest Common Factor (GCF) of 18 and 38 | | Greatest Common Factor (GCF) of 12 and 37 | | Greatest Common Factor (GCF) of 72 and 121 | | Greatest Common Factor (GCF) of 126 and 84 | | Greatest Common Factor (GCF) of 75 and 30 | | Greatest Common Factor (GCF) of 38 and 51 | | Greatest Common Factor (GCF) of 45 and 112 | | Greatest Common Factor (GCF) of 10 and 31 | | Greatest Common Factor (GCF) of 32 and 73 | | Greatest Common Factor (GCF) of 7 and 12 | | Greatest Common Factor (GCF) of 5 and 300 | | Greatest Common Factor (GCF) of 12 and 27 | | Greatest Common Factor (GCF) of 51 and 57 | | Greatest Common Factor (GCF) of 117 and 130 | | Greatest Common Factor (GCF) of 90 and 9 | | Greatest Common Factor (GCF) of 33 and 55 | | Greatest Common Factor (GCF) of 504 and 98 | | Greatest Common Factor (GCF) of 1000 and 25 | | Greatest Common Factor (GCF) of 18 and 15 | | Greatest Common Factor (GCF) of 90 and 108 | | Greatest Common Factor (GCF) of 51 and 27 | | Greatest Common Factor (GCF) of 98 and 192 | | Greatest Common Factor (GCF) of 20 and 46 | | Greatest Common Factor (GCF) of 42 and 66 | | Greatest Common Factor (GCF) of 4 and 1000 | | Greatest Common Factor (GCF) of 25 and 1000 | | Greatest Common Factor (GCF) of 56 and 100 | | Greatest Common Factor (GCF) of 3 and 100 | | Greatest Common Factor (GCF) of 16 and 100 | | Greatest Common Factor (GCF) of 7 and 100 | | Greatest Common Factor (GCF) of 50 and 125 | | Greatest Common Factor (GCF) of 150 and 75 | | Greatest Common Factor (GCF) of 31 and 93 | | Greatest Common Factor (GCF) of 50 and 82 | | Greatest Common Factor (GCF) of 26 and 38 | | Greatest Common Factor (GCF) of 63 and 126 |

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