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 63 and 42 we need to factor each value first and then we choose all the copies of factors and multiply them:

63: | 3 | 3 | 7 | |

42: | 2 | 3 | 7 | |

GCF: | 3 | 7 |

**The Greates Common Factor (GCF) is: 3 x 7 = 21**

| Greatest Common Factor (GCF) of 80 and 100 | | Greatest Common Factor (GCF) of 96 and 36 | | Greatest Common Factor (GCF) of 38 and 19 | | Greatest Common Factor (GCF) of 19 and 38 | | Greatest Common Factor (GCF) of 84 and 60 | | Greatest Common Factor (GCF) of 76 and 49 | | Greatest Common Factor (GCF) of 69 and 90 | | Greatest Common Factor (GCF) of 36 and 108 | | Greatest Common Factor (GCF) of 330 and 198 | | Greatest Common Factor (GCF) of 90 and 99 | | Greatest Common Factor (GCF) of 32 and 72 | | Greatest Common Factor (GCF) of 63 and 189 | | Greatest Common Factor (GCF) of 189 and 441 | | Greatest Common Factor (GCF) of 5767 and 4453 | | Greatest Common Factor (GCF) of 108 and 306 | | Greatest Common Factor (GCF) of 27 and 65 | | Greatest Common Factor (GCF) of 72 and 240 | | Greatest Common Factor (GCF) of 63 and 35 | | Greatest Common Factor (GCF) of 104 and 78 | | Greatest Common Factor (GCF) of 45678 and 87865 | | Greatest Common Factor (GCF) of 220 and 2408 | | Greatest Common Factor (GCF) of 5 and 125 | | Greatest Common Factor (GCF) of 90 and 210 | | Greatest Common Factor (GCF) of 27 and 343 | | Greatest Common Factor (GCF) of 200 and 165 | | Greatest Common Factor (GCF) of 135 and 42 | | Greatest Common Factor (GCF) of 183 and 100 | | Greatest Common Factor (GCF) of 14 and 12 | | Greatest Common Factor (GCF) of 8 and 98 | | Greatest Common Factor (GCF) of 18 and 70 | | Greatest Common Factor (GCF) of 15 and 90 | | Greatest Common Factor (GCF) of 14 and 84 | | Greatest Common Factor (GCF) of 11 and 78 | | Greatest Common Factor (GCF) of 15 and 95 | | Greatest Common Factor (GCF) of 12 and 23 | | Greatest Common Factor (GCF) of 17 and 68 | | Greatest Common Factor (GCF) of 280 and 390 | | Greatest Common Factor (GCF) of 50 and 32 | | Greatest Common Factor (GCF) of 2 and 36 | | Greatest Common Factor (GCF) of 264 and 198 | | Greatest Common Factor (GCF) of 200 and 150 | | Greatest Common Factor (GCF) of 104 and 48 | | Greatest Common Factor (GCF) of 108 and 48 | | Greatest Common Factor (GCF) of 143 and 273 | | Greatest Common Factor (GCF) of 81 and 93 | | Greatest Common Factor (GCF) of 81 and 83 | | Greatest Common Factor (GCF) of 88 and 33 | | Greatest Common Factor (GCF) of 150 and 135 | | Greatest Common Factor (GCF) of 162 and 99 | | Greatest Common Factor (GCF) of 252 and 348 | | Greatest Common Factor (GCF) of 224 and 238 | | Greatest Common Factor (GCF) of 190 and 220 | | Greatest Common Factor (GCF) of 243 and 252 | | Greatest Common Factor (GCF) of 260 and 50 | | Greatest Common Factor (GCF) of 220 and 264 | | Greatest Common Factor (GCF) of 276 and 300 | | Greatest Common Factor (GCF) of 52 and 390 | | Greatest Common Factor (GCF) of 180 and 225 | | Greatest Common Factor (GCF) of 99 and 154 | | Greatest Common Factor (GCF) of 112 and 119 | | Greatest Common Factor (GCF) of 14 and 77 | | Greatest Common Factor (GCF) of 13 and 65 | | Greatest Common Factor (GCF) of 16 and 64 | | Greatest Common Factor (GCF) of 21 and 33 | | Greatest Common Factor (GCF) of 14 and 87 |

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