Prime Numbers
14, 15, 16, 17 — Which numbers are prime?
17
Is 9 a prime number or a composite number?
Composite
What are the factor pairs for 30?
(1, 30), (2, 15), (3, 10), (5, 6)
What are the first 6 multiples of 6?
6, 12, 18, 24, 30, 36, 42
What is a product?
The answer to a multiplication problem.
This is the largest prime number less than 30.
29
Name the smallest composite number.
4
What are the factor pairs for 63?
(1, 63), (3, 21), (7, 9)
What are the first six multiples of 9?
9, 18, 27, 36, 45, 54, 63
The product of that number and another whole number.
Name a prime number between 20 and 30.
23 or 29
List two factors of 12 besides 1 and 12.
(2, 6) or (3, 4)
What are the factor pairs for 84?
(1, 84), (2, 42), (3, 28), (4, 21), (6, 14), (7, 12)
What are the first 6 multiples of 12?
12, 24, 36, 48, 60, 72, 84
What is a composite number?
A number that has more than one pair of factor pairs.
Name a prime number between 10 and 20.
11, 13, 17, or 19
This number is composite and has the factor pairs, (2, 8), and (4, 4).
16
What are the factor pairs for 96?
(1, 96), (2, 48), (3, 32), (4, 24), (6, 16), (8, 12)
What are the first six multiples of 15?
15, 30, 45, 60, 75, 90, 105
What is a factor pair?
A set of two whole numbers that multiply together to produce a specific product
A prime number between 40 and 50 can’t be divided evenly by 2, 3, 5, or 7. What is it?
41 or 43 or 47
True or False: 2 is a composite number.
FALSE
What are the factor pairs of 116?
(1, 116), (2, 58)
What are the first six multiples of 17?
17, 34, 51, 68, 85, 102, 119
What is a prime number?
A number that only has one set of factor pairs, itself multiplied by one.