0
Anonymous
The factors of 18 are:
1, 2, 3, 6, 9, 18
The factors of 39 are:
1, 3, 13, 39
The factors of 45 are:
1, 3, 5, 9, 15, 45
The common factors are:
1, 3
The Greatest Common Factor (GCF) is:
3
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The GCF of 18 and 27 is 9.
The GCF is 9.
Nine