The greatest common factor, or GCF, is the largest positive integer that will divide evenly with no remainder into both the composite numbers.
Example: 30 and 42
Factor them.
2 x 3 x 5 = 30
2 x 3 x 7 = 42
Select the common factors.
2 x 3 = 6, the GCF
Chat with our AI personalities
52 is composite. You need at least two numbers to find a GCF.
One
Any two composite numbers who do not share the same prime factors.15 = 5x322 = 11x2So 15 and 22 have a GCF of 1
Without specifying the GCF, it could be anything. 9 and 12 have a GCF of 3.
No need to answer it anymore.