Prime, Composite, or Neither
Is 2 prime, composite, or neither?
prime
Which of the following numbers are prime?
2, 4, 18, 26, 35, 37
2 and 37
Is 42 a multiple of 7?
Yes
List all the factors of 11.
1 and 11
How many factor pairs does the number 9 have?
2
What should the next number be in this pattern?
16, 20, 24, 28, ___
32
Is 22 prime, composite, or neither?
composite
Which number is composite?
15, 13, 29, 11, 37
15
List all the factors of 21.
1, 3, 7, and 21
Which number is NOT a factor of 36?
1, 2, 3, 4, 6, 8, 9, 12,18,36
8
List all the factor pairs for 25.
1 and 25
5 and 5
What are the next 3 numbers in the following pattern
21, 28, 35, 42, ___, ___, ___?
49, 56, 63
Is 25 prime, composite, or neither?
composite
Name all the prime numbers between 30 and 39.
31 and 37
3, 15, 1, and 5 are all factors of what number?
15
What number has 12, 24, and 30 as multiples?
6
How many factor pairs does the number 45 have?
3
What is the rule in the following pattern?
5, 10, 20, 40, 80, 160
Multiply by 2
Is 0 prime, composite, or neither?
neither
Name all the composite numbers greater than 20, but less than 30.
21, 22, 24, 25, 26, 27, and 28
Are 2, 1, and 4 all factors or multiples of 4?
factors
The following numbers are multiples of what number?
12, 6, 9, 15, 27
3
List all the factor pairs for 32.
1 and 32
2 and 16
4 and 8
Rule: Subtract 8
First Number: 285
What would the fifth number in this pattern be?
253
285, 277, 269, 261, 253
Is 51 prime, composite, or neither?
prime
How many numbers from the following list are prime?
1, 2, 3, 4, 5, 6
3 numbers are prime (2, 3, and 5)
*1 is neither prime nor composite
List all the factors of 30.
1, 2, 3, 5, 6, 10, 15, 30
What number is a factor of 24, but NOT a multiple of 6?
7, 8, 10, or 12
8
Mrs. Diaz is hanging pictures that her students made her in a rectangular shape. She received 30 pictures. How many different rectangular arrays can she make with the pictures she received?
4 rectangular arrays
Create a rule for a number pattern and then list 5 numbers in that pattern.
Answers may vary.
Ex. Rule: Add 15
30, 45, 60, 75, 90