Factors
Is 12 a factor of 4?
What are the first three multiples of 5?
5, 10, 15
What is the greatest common factor of 12 and 15
3
What is the least common multiple of 3 and 7?
21
How many factors do prime numbers have?
2
Is 13 a factor of 26?
Yes
Is 30 a multiple of 60?
No. It's a factor.
What is the greatest common factor of 24 and 20?
4
What is the least common multiple of 6 and 9?
18
How many multiples does 20 have?
infinite
True or False- Every number has an infinite number of factors.
False
What is the 6th multiple of 9?
54
What is the greatest common factor of 16 and 32?
16
What is the least common multiple of 2, 3, and 5?
30
How many factors do composite numbers have?
More than 2
List all of the factors of 52.
1, 2, 4, 13, 26, and 52
List 4 multiples of 7 greater than 10 but less than 50.
14, 21, 28, 35, 42, 49
What is the greatest common factor of 60, 30, and 15?
What is the least common multiple of 20 and 12?
60
What kind of numbers have an odd number of factors?
Square numbers
List all of the common factors of 24 and 36.
1, 2, 3, 4, 6, 12
List all the common multiples of 12 and 18 that are less than 75.
36 and 72
What is the greatest common factor of 3, 6 and 12?
3
What is the least common multiple of 11 and 7?
77
Is 1 prime or composite?
Neither.