Multiples
What do the following numbers have in common?
6, 12, 18, 24, 30
A. They are all factors of 6
B. They are all multiples of 6
C. They are all factors of 84
D. They are all multiples of 84
B. They are all multiples of 6
A group of students went to the zoo for a guided tour. When they got to the zoo they were divided into small groups. There were 8 students in every group. Which of the following could be the total number of students visiting the zoo?
A. 99
B. 85
C. 64
D. 29
C. 64
Which number is both a multiple of 6 and a factor of 48?
A. 12
B. 23
C. 18
D. 20
A. 12
Which set has numbers that are all factors of 36?
A. 1, 2, 3, 4, 6, 9, 12, 18, 36
B. 4, 8, 12, 16, 20
C. 3, 5, 7, 9
D. 6, 12, 18, 24
A. 1, 2, 3, 4, 6, 9, 12, 18, 36
Which set of expressions shows the factors of a prime number?
A. 1 x 7
B. 1 x 16, 2 x 8, 4 x 4
C. 1 x 20, 2 x 10, 3 x 7
D. 1 x 18, 2 x 9, 3 x 6
A. 1 x 7
Which list shows only multiples of 7?
A. 3, 7, 21
B. 9, 12, 15, 18
C. 28, 35, 42
D. 20, 30, 40
C. 28, 35, 42
Determine if the following number is prime or composite: 3
A. Composite
B. Prime
B. Prime
Which list of numbers are all composite numbers?
A. 6, 9, 12, 15
B. 2, 4, 6, 11
C. 2, 7, 9, 23
D. 3, 6, 9, 12
A. 6, 9, 12, 15
Determine if the following number is prime or composite: 56
A. Composite
B. Prime
If a number is composite, which of these statements must be true about the number?
A. It has more than two factors
B. It is an even number
C. It is an odd number
D. It only has two factors
A. It has more than two factors
Determine if the following number is prime or composite: 10
A. Prime
B. Composite
B. Composite
Which rectangle has a prime number of tiles?
A. 4
B. 8
C. 5
D. 6
C. 5
Determine if the following number is prime or composite: 2
A. Prime
B. Composite
A. Prime