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

56: | 2 | 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 81 and 135 | | Greatest Common Factor (GCF) of 54 and 108 | | Greatest Common Factor (GCF) of 14 and 48 | | Greatest Common Factor (GCF) of 13 and 40 | | Greatest Common Factor (GCF) of 8 and 35 | | Greatest Common Factor (GCF) of 24 and 7 | | Greatest Common Factor (GCF) of 125 and 358 | | Greatest Common Factor (GCF) of 7 and 6 | | Greatest Common Factor (GCF) of 15 and 9 | | Greatest Common Factor (GCF) of 49 and 63 | | Greatest Common Factor (GCF) of 165 and 385 | | Greatest Common Factor (GCF) of 56 and 7 | | Greatest Common Factor (GCF) of 6 and 24 | | Greatest Common Factor (GCF) of 32 and 24 | | Greatest Common Factor (GCF) of 28 and 21 | | Greatest Common Factor (GCF) of 22 and 55 | | Greatest Common Factor (GCF) of 3 and 4 | | Greatest Common Factor (GCF) of 56 and 196 | | Greatest Common Factor (GCF) of 250 and 100 | | Greatest Common Factor (GCF) of 140 and 105 | | Greatest Common Factor (GCF) of 72 and 48 | | Greatest Common Factor (GCF) of 36 and 84 | | Greatest Common Factor (GCF) of 32 and 81 | | Greatest Common Factor (GCF) of 18 and 108 | | Greatest Common Factor (GCF) of 70 and 105 | | Greatest Common Factor (GCF) of 250 and 150 | | Greatest Common Factor (GCF) of 70 and 40 | | Greatest Common Factor (GCF) of 75 and 45 | | Greatest Common Factor (GCF) of 40 and 30 | | Greatest Common Factor (GCF) of 35 and 40 | | Greatest Common Factor (GCF) of 135 and 99 | | Greatest Common Factor (GCF) of 45 and 75 | | Greatest Common Factor (GCF) of 91 and 99 | | Greatest Common Factor (GCF) of 55 and 65 | | Greatest Common Factor (GCF) of 40 and 16 | | Greatest Common Factor (GCF) of 35 and 21 | | Greatest Common Factor (GCF) of 8 and 125 | | Greatest Common Factor (GCF) of 6400 and 1 | | Greatest Common Factor (GCF) of 256 and 289 | | Greatest Common Factor (GCF) of 64 and 48 | | Greatest Common Factor (GCF) of 27 and 72 | | Greatest Common Factor (GCF) of 27 and 18 | | Greatest Common Factor (GCF) of 12 and 68 | | Greatest Common Factor (GCF) of 256 and 80 | | Greatest Common Factor (GCF) of 48 and 27 | | Greatest Common Factor (GCF) of 80 and 81 | | Greatest Common Factor (GCF) of 70 and 126 | | Greatest Common Factor (GCF) of 40 and 69 | | Greatest Common Factor (GCF) of 60 and 75 | | Greatest Common Factor (GCF) of 84 and 91 | | Greatest Common Factor (GCF) of 77 and 84 | | Greatest Common Factor (GCF) of 48 and 18 | | Greatest Common Factor (GCF) of 46 and 81 | | Greatest Common Factor (GCF) of 120 and 45 | | Greatest Common Factor (GCF) of 30 and 40 | | Greatest Common Factor (GCF) of 18 and 12 | | Greatest Common Factor (GCF) of 38 and 2 | | Greatest Common Factor (GCF) of 48 and 6 | | Greatest Common Factor (GCF) of 20 and 10 | | Greatest Common Factor (GCF) of 40 and 5 | | Greatest Common Factor (GCF) of 15 and 50 | | Greatest Common Factor (GCF) of 33 and 24 | | Greatest Common Factor (GCF) of 5620 and 562 | | Greatest Common Factor (GCF) of 72 and 216 | | Greatest Common Factor (GCF) of 9 and 63 |

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