Factors

DivisibilityLesson 6 Power Up B Page 40

Factors

› A whole number that divides evenly into another whole number.

› List the factors of 27.

› 1, 3, 9, 27

Greatest Common Factor (GCF)

› Largest common factor of two or more numbers.

› Find the GCF of 27 and 63.

› 27: 1, 3, 9, 27

› 63: 1, 3, 7, 9, 21, 63

Greatest Common Factor (GCF)

› Largest common factor of two or more numbers.

› Find the GCF of 27 and 63.

› 27: 1, 3, 9, 27

› 63: 1, 3, 7, 9, 21, 63

Test for Divisibility

› List the whole numbers from 1 to 10 that are factors of 5400.

› 1, 2, 3, 4, 5, 6, 8, 9, 10

Practice Problems

› b, c, d, j