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Factors , Prime & Composite

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describes a number that can be divided into equal parts and has no remainder
A number that divides evenly into another number. 3 is a factor of 15 (look at the chart!)
Common Factors
Factors that two or more numbers have in common
GCF (greatest common factors)
The greatest factor that two or more numbers have in common
prime numbers
a whole number with exactly two factors, 1 and the number itself
composite numbers
a whole number that has more than two factors