WorksheetsChapter 7 Intro: GCF
Total questions: 22
Worksheet time: 22mins
Numbers that multiply to give you another number are called: ________________
Ex: 4 x 3 = 12. 4 and 3 are called _________
Multiples
Factors
Exponents
Fractions
A _____________________________ is a number who's only factors are 1 and itself.
Composite Number
Multiple
Dividend
Which of the following are factors of 24?
1
5
6
8
10
What is the GCF of 20 and 32?
(a)
What is the GCF of 24 and 56?
(a)
What is the GCF of 36 and 90?
(a)
What is the GCF of 45 and 75?
(a)
What is the GCF of 15, 30, and 45?
(a)
What is the GCF of 81 and 18?
3
9
81
18
What is the greatest common factor of 10 and 4?
40
20
2
4
What is the greatest common factor of b4 and b8?
b4
b8
b2
b
What is the greatest common factor of 8x2 and 4x?
8x2
4x2
2x
4x
What is the greatest common factor of 12c4 and 6c2?
6c4
6c2
2c2
12c4
What is the greatest common factor of 27b3 and 16c2?
b3c2
bc
1
b2c3
3
What is the greatest common factor of 18xy3 and 25x3y2?
xy2
x3y2
1
x2y3
What is the greatest common factor of 16xy3z, 32y2z2, and 28x3y3z2?
4y2z
2xy3z2
4xy3z2
2y3z2
