Multiples
What is a multiple of 3?
3, 6, 9, 12,
Name a factor of 12 that isn’t 1.
2, 3, 4, 6, or 12
GCF of 6 and 9?
3
Factor: 5x+10
5(x+2)
Factor: x2+3x
x(x+3)
What is a multiple of 5 between 20 and 40?
25, 30, or 35
List all factors of 18.
1, 2, 3, 6, 9, 18
GCF of 12 and 18?
6
Factor: 3y+9
3(y+3)
Factor: 4y2+8y
4y(y+2)
What are the first four multiples of 7?
7, 14, 21, 28
Which number has factors 1, 2, 4, 8, and 16?
16
GCF of 20 and 30?
10
Factor: 8a+12b
4(2a+3b)
Factor: 3a3+6a23
3a2(a+2)
What is the least common multiple (LCM) of 4 and 6?
12
What are all the factors of 24 except 1?
2, 3, 4, 6, 8, 12, 24
GCF of 8, 12, and 20?
4
Factor: 6x+9y+15z
3(2x+3y+5z)
Factor: 5x4−10x3
5x3(x−2)
What is the LCM of 8, 12, and 20?
120
Which number has exactly three factors: 1, itself, and one more?
4 (1, 2, 4)
GCF of 36 and 48?
12
Factor: 14m+21n−28p
7(2m+3n−4p)
Factor: 9b5+18b3−27b2
9b2(b3+2b−3)