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The Greatest Common Factor (G.C.F.)
Example:
4 is the GCF of 8 and 12. Why? Because 4 is the largest
number that divides evenly (without a remainder) into
8
and
12.
>The Greatest Common Factor (GCF) < you are here
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More help
The Greatest Common Factor (G.C.F.) also known as
the greatest common divisor (GCD) or  highest common
factor (HCF)
of two numbers is the largest number that is a
divisor of both.
Factors of 8 are 1, 2, 4, and 8
The factors of 12 are 1, 2, 3, 4, 6 and 12
what is afactor
Remember:
what is a common factor
common factor
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