Factors of 52: 1, 2, 4, 13, 26, 52
Factors of 143: 1, 11, 13, 143
Factors of 156: 1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156
GCF (52, 143, 156) = 13
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The GCF of 65, 143, and 156 is 13.
The GCF is 13.
The prime factors are: 39 = 3 * 13 143 = 11 * 13 156 = 2 * 2 * 3 * 13 So the greatest common factor is 13.
The Greatest Common Factor (GCF) is: 2
Greatest common factor of 78 and 286 is 26.