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 105 and 126 we need to factor each value first and then we choose all the copies of factors and multiply them:

105: | 3 | 5 | 7 | ||

126: | 2 | 3 | 3 | 7 | |

GCF: | 3 | 7 |

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

| Greatest Common Factor (GCF) of 124 and 152 | | Greatest Common Factor (GCF) of 36 and 44 | | Greatest Common Factor (GCF) of 78 and 81 | | Greatest Common Factor (GCF) of 108 and 300 | | Greatest Common Factor (GCF) of 90 and 100 | | Greatest Common Factor (GCF) of 901 and 100 | | Greatest Common Factor (GCF) of 18 and 81 | | Greatest Common Factor (GCF) of 12 and 363 | | Greatest Common Factor (GCF) of 108 and 54 | | Greatest Common Factor (GCF) of 30 and 600 | | Greatest Common Factor (GCF) of 90 and 2000 | | Greatest Common Factor (GCF) of 2 and 56 | | Greatest Common Factor (GCF) of 28 and 14 | | Greatest Common Factor (GCF) of 42 and 150 | | Greatest Common Factor (GCF) of 12 and 34 | | Greatest Common Factor (GCF) of 80 and 72 | | Greatest Common Factor (GCF) of 70 and 63 | | Greatest Common Factor (GCF) of 27 and 81 | | Greatest Common Factor (GCF) of 18 and 8 | | Greatest Common Factor (GCF) of 108 and 84 | | Greatest Common Factor (GCF) of 48 and 78 | | Greatest Common Factor (GCF) of 8 and 42 | | Greatest Common Factor (GCF) of 28 and 32 | | Greatest Common Factor (GCF) of 63 and 27 | | Greatest Common Factor (GCF) of 54 and 36 | | Greatest Common Factor (GCF) of 49 and 56 | | Greatest Common Factor (GCF) of 9 and 21 | | Greatest Common Factor (GCF) of 80 and 40 | | Greatest Common Factor (GCF) of 48 and 75 | | Greatest Common Factor (GCF) of 90 and 51 | | Greatest Common Factor (GCF) of 72 and 75 | | Greatest Common Factor (GCF) of 91 and 156 | | Greatest Common Factor (GCF) of 9 and 54 | | Greatest Common Factor (GCF) of 81 and 108 | | Greatest Common Factor (GCF) of 8 and 26 | | Greatest Common Factor (GCF) of 35 and 56 | | Greatest Common Factor (GCF) of 6 and 16 | | Greatest Common Factor (GCF) of 13 and 9 | | Greatest Common Factor (GCF) of 5 and 8 | | Greatest Common Factor (GCF) of 84 and 100 | | Greatest Common Factor (GCF) of 28 and 300 | | Greatest Common Factor (GCF) of 34 and 900 | | Greatest Common Factor (GCF) of 55 and 121 | | Greatest Common Factor (GCF) of 20 and 161 | | Greatest Common Factor (GCF) of 26 and 90 | | Greatest Common Factor (GCF) of 76 and 4 | | Greatest Common Factor (GCF) of 71 and 15 | | Greatest Common Factor (GCF) of 61 and 18 | | Greatest Common Factor (GCF) of 56 and 40 | | Greatest Common Factor (GCF) of 60 and 85 | | Greatest Common Factor (GCF) of 20 and 90 | | Greatest Common Factor (GCF) of 84 and 54 | | Greatest Common Factor (GCF) of 90 and 80 | | Greatest Common Factor (GCF) of 44 and 25 | | Greatest Common Factor (GCF) of 18 and 49 | | Greatest Common Factor (GCF) of 38 and 44 | | Greatest Common Factor (GCF) of 36 and 38 | | Greatest Common Factor (GCF) of 33 and 39 | | Greatest Common Factor (GCF) of 27 and 15 | | Greatest Common Factor (GCF) of 110 and 70 | | Greatest Common Factor (GCF) of 9 and 13 | | Greatest Common Factor (GCF) of 50 and 25 | | Greatest Common Factor (GCF) of 21 and 27 | | Greatest Common Factor (GCF) of 11 and 15 | | Greatest Common Factor (GCF) of 10 and 22 |

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