Greatest Common Factor Worksheets

**Page 1**

1.

Find all the factors of 12.

a. | 1, 2, and 12 | ||

b. | 1, and 12 | ||

c. | 1, 2, 3, 4, 6, and 12 | ||

d. | 2, 3, 4, and 6 |

To find all the factors of 12, draw the rectangles that can be made from exactly 12 squares.

The number of squares along the sides of the rectangles are the factors of 12.

So, the factors of 12 are 1, 2, 3, 4, 6, and 12.

Correct answer : (3)

2.

Find all the factors of 22.

a. | only 1, 11, and 22 | ||

b. | only 2 and 11 | ||

c. | 1, 2, 11, and 22 | ||

d. | only 1 and 22 |

To find all the factors of 22, draw the rectangles that can be made from exactly 22 squares.

The number of squares along the sides of the rectangles are the factors of 22.

So, the factors of 22 are 1, 2, 11, and 22.

Correct answer : (3)

3.

The number 9 is a factor of 27 and another number. What could be the other number?

a. | 3 | ||

b. | 56 | ||

c. | 32 | ||

d. | 54 |

Correct answer : (4)

4.

The number 9 is a factor of 27 and another number. What could be the other number?

a. | 3 | ||

b. | 56 | ||

c. | 54 | ||

d. | 32 |

Correct answer : (3)

5.

The number 9 is a factor of 27 and another number. What could be the other number?

a. | 54 | ||

b. | 3 | ||

c. | 32 | ||

d. | 56 |

Correct answer : (1)

6.

The number 9 is a factor of 27 and another number. What could be the other number?

a. | 3 | ||

b. | 54 | ||

c. | 56 | ||

d. | 32 |

Correct answer : (2)

7.

The number 9 is a factor of 27 and another number. What could be the other number?

a. | 56 | ||

b. | 32 | ||

c. | 3 | ||

d. | 54 |

Correct answer : (4)

8.

The number 9 is a factor of 27 and another number. What could be the other number?

a. | 56 | ||

b. | 32 | ||

c. | 54 | ||

d. | 3 |

Correct answer : (3)

9.

The number 9 is a factor of 27 and another number. What could be the other number?

a. | 54 | ||

b. | 32 | ||

c. | 3 | ||

d. | 56 |

Correct answer : (1)

10.

The number 9 is a factor of 27 and another number. What could be the other number?

a. | 56 | ||

b. | 32 | ||

c. | 54 | ||

d. | 3 |

Correct answer : (3)

More Greatest Common Factor Worksheets | |

Factoring by GCF Worksheet | |