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

28: | 2 | 2 | 7 | |

42: | 2 | 3 | 7 | |

GCF: | 2 | 7 |

**The Greates Common Factor (GCF) is: 2 x 7 = 14**

| Greatest Common Factor (GCF) of 6 and 5 | | Greatest Common Factor (GCF) of 7 and 8 | | Greatest Common Factor (GCF) of 10 and 9 | | Greatest Common Factor (GCF) of 10 and 3 | | Greatest Common Factor (GCF) of 11 and 10 | | Greatest Common Factor (GCF) of 13 and 14 | | Greatest Common Factor (GCF) of 729 and 18 | | Greatest Common Factor (GCF) of 13 and 8 | | Greatest Common Factor (GCF) of 11 and 12 | | Greatest Common Factor (GCF) of 6 and 10 | | Greatest Common Factor (GCF) of 14 and 11 | | Greatest Common Factor (GCF) of 17 and 42 | | Greatest Common Factor (GCF) of 78 and 143 | | Greatest Common Factor (GCF) of 48 and 84 | | Greatest Common Factor (GCF) of 903 and 756 | | Greatest Common Factor (GCF) of 90 and 150 | | Greatest Common Factor (GCF) of 120 and 450 | | Greatest Common Factor (GCF) of 280 and 980 | | Greatest Common Factor (GCF) of 861 and 798 | | Greatest Common Factor (GCF) of 867 and 798 | | Greatest Common Factor (GCF) of 300 and 750 | | Greatest Common Factor (GCF) of 1936 and 2560000 | | Greatest Common Factor (GCF) of 44 and 40 | | Greatest Common Factor (GCF) of 52432 and 4 | | Greatest Common Factor (GCF) of 203 and 299 | | Greatest Common Factor (GCF) of 424 and 299 | | Greatest Common Factor (GCF) of 63 and 81 | | Greatest Common Factor (GCF) of 351 and 71 | | Greatest Common Factor (GCF) of 60 and 270 | | Greatest Common Factor (GCF) of 98 and 196 | | Greatest Common Factor (GCF) of 28 and 98 | | Greatest Common Factor (GCF) of 200 and 80 | | Greatest Common Factor (GCF) of 180 and 430 | | Greatest Common Factor (GCF) of 91 and 402 | | Greatest Common Factor (GCF) of 176 and 36 | | Greatest Common Factor (GCF) of 3 and 324 | | Greatest Common Factor (GCF) of 81 and 4 | | Greatest Common Factor (GCF) of 1440 and 36 | | Greatest Common Factor (GCF) of 13824 and 7 | | Greatest Common Factor (GCF) of 162 and 4 | | Greatest Common Factor (GCF) of 155 and 35 | | Greatest Common Factor (GCF) of 441 and 14 | | Greatest Common Factor (GCF) of 235 and 7 | | Greatest Common Factor (GCF) of 3 and 108 | | Greatest Common Factor (GCF) of 160 and 24 | | Greatest Common Factor (GCF) of 180 and 210 | | Greatest Common Factor (GCF) of 105 and 42 | | Greatest Common Factor (GCF) of 306 and 234 | | Greatest Common Factor (GCF) of 108 and 144 | | Greatest Common Factor (GCF) of 15 and 144 | | Greatest Common Factor (GCF) of 72 and 108 | | Greatest Common Factor (GCF) of 68 and 92 | | Greatest Common Factor (GCF) of 81 and 125 | | Greatest Common Factor (GCF) of 16 and 51 | | Greatest Common Factor (GCF) of 18 and 96 | | Greatest Common Factor (GCF) of 125 and 320 | | Greatest Common Factor (GCF) of 225 and 36 | | Greatest Common Factor (GCF) of 4 and 217 | | Greatest Common Factor (GCF) of 133 and 5 | | Greatest Common Factor (GCF) of 127 and 119 | | Greatest Common Factor (GCF) of 35 and 3 | | Greatest Common Factor (GCF) of 60 and 432 | | Greatest Common Factor (GCF) of 40 and 432 | | Greatest Common Factor (GCF) of 54 and 144 | | Greatest Common Factor (GCF) of 65 and 42 |

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