The GCF is 2.
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∙ 8y agoThe greatest common factor of 15 and 18 is three.
The GCF is 18.
Since 18 is a factor of 72, it is automatically the GCF.
The GCF is 18.
It is: 9
The GCF is 6.
The GCF is 4.
GCF of 36 and 90 is 18
The highest common factor of 10 and 18 is 2.
The GCF is 18.
The greatest common factor of 10 and 18 is 2. The factors of 10 are 1, 2, 5 and 10 The factors of 18 are 1, 2, 3, 6, 9, and 18 So the GCF is 2.
1 and 2.