gcf of 4x3=6
gcf of 3x8=8
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The greatest common factor (GCF) is often also called the greatest common divisor (GCD) or highest common factor (HCF). Keep in mind that these different terms all refer to the same thing: the largest integer which evenly divides two or more numbers. The Greatest Common Factor (GCF) of 12, 16, and 28 is 4. The GCF is 4.
because 4X3=12
4x2(4x3 + 3)
1x12, 2x6, 3x4, 4x3, 6x2 1x12 1x12, 2x6, 3x4, 4x3, 6x2 1x12
x4 - 4x3 - 12x2 -32x + 64 (x - 4)(x + 2)(x + 2)(x - 4)