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 65 and 91 we need to factor each value first and then we choose all the copies of factors and multiply them:

65: | 5 | 13 | |

91: | 7 | 13 | |

GCF: | 13 |

**The Greates Common Factor (GCF) is: 13**

| Greatest Common Factor (GCF) of 20 and 36 | | Greatest Common Factor (GCF) of 45 and 180 | | Greatest Common Factor (GCF) of 202 and 320 | | Greatest Common Factor (GCF) of 442 and 1261 | | Greatest Common Factor (GCF) of 4896 and 595 | | Greatest Common Factor (GCF) of 2241 and 2324 | | Greatest Common Factor (GCF) of 80 and 30 | | Greatest Common Factor (GCF) of 80 and 90 | | Greatest Common Factor (GCF) of 735 and 945 | | Greatest Common Factor (GCF) of 60 and 70 | | Greatest Common Factor (GCF) of 20 and 26 | | Greatest Common Factor (GCF) of 50 and 15 | | Greatest Common Factor (GCF) of 80 and 70 | | Greatest Common Factor (GCF) of 17 and 181 | | Greatest Common Factor (GCF) of 304 and 888 | | Greatest Common Factor (GCF) of 31 and 75 | | Greatest Common Factor (GCF) of 16 and 52 | | Greatest Common Factor (GCF) of 69 and 74 | | Greatest Common Factor (GCF) of 88 and 40 | | Greatest Common Factor (GCF) of 72 and 84 | | Greatest Common Factor (GCF) of 26 and 8 | | Greatest Common Factor (GCF) of 100 and 5 | | Greatest Common Factor (GCF) of 17 and 34 | | Greatest Common Factor (GCF) of 500 and 25 | | Greatest Common Factor (GCF) of 200 and 15 | | Greatest Common Factor (GCF) of 56 and 24 | | Greatest Common Factor (GCF) of 64 and 890 | | Greatest Common Factor (GCF) of 800 and 1 | | Greatest Common Factor (GCF) of 20 and 49 | | Greatest Common Factor (GCF) of 21 and 51 | | Greatest Common Factor (GCF) of 240 and 2700 | | Greatest Common Factor (GCF) of 36 and 96 | | Greatest Common Factor (GCF) of 18 and 99 | | Greatest Common Factor (GCF) of 28 and 35 | | Greatest Common Factor (GCF) of 48 and 108 | | Greatest Common Factor (GCF) of 493 and 15 | | Greatest Common Factor (GCF) of 16 and 68 | | Greatest Common Factor (GCF) of 56 and 136 | | Greatest Common Factor (GCF) of 40 and 80 | | Greatest Common Factor (GCF) of 63 and 84 | | Greatest Common Factor (GCF) of 48 and 21 | | Greatest Common Factor (GCF) of 210 and 240 | | Greatest Common Factor (GCF) of 136 and 245 | | Greatest Common Factor (GCF) of 34 and 70 | | Greatest Common Factor (GCF) of 6 and 48 | | Greatest Common Factor (GCF) of 63 and 70 | | Greatest Common Factor (GCF) of 126 and 441 | | Greatest Common Factor (GCF) of 48 and 420 | | Greatest Common Factor (GCF) of 6 and 27 | | Greatest Common Factor (GCF) of 213 and 522 | | Greatest Common Factor (GCF) of 10 and 56 | | Greatest Common Factor (GCF) of 24 and 52 | | Greatest Common Factor (GCF) of 300 and 71 | | Greatest Common Factor (GCF) of 9 and 72 | | Greatest Common Factor (GCF) of 16 and 60 | | Greatest Common Factor (GCF) of 144 and 252 | | Greatest Common Factor (GCF) of 342 and 252 | | Greatest Common Factor (GCF) of 36 and 168 | | Greatest Common Factor (GCF) of 42 and 48 | | Greatest Common Factor (GCF) of 75 and 135 | | Greatest Common Factor (GCF) of 22 and 44 | | Greatest Common Factor (GCF) of 420 and 90 | | Greatest Common Factor (GCF) of 48 and 140 | | Greatest Common Factor (GCF) of 20 and 19 | | Greatest Common Factor (GCF) of 15 and 135 |

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