The factors of 45 are:
1, 3, 5, 9, 15, 45
The factors of 156 are:
1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156
The common factors are:
1, 3
The Greatest Common Factor:
GCF = 3
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The GCF is 4.
The GCF of 65, 143, and 156 is 13.
Greatest common factor of 27 45 and 126 is 9.
The GCF is 13.
GCF(52, 156, 169) = 13.