Factors
What are the factors of 25?
1, 5, 15
What are the first 5 multiples of 4?
4, 8, 12, 16, 20
What are all possible arrays of 7?
1 x 7 and 7 x 1
11
Prime
True or False:
A composite number has at least 4 factors.
False, a composite number has at least 3 factors.
What are the factors of 32?
1, 2, 4, 8, 16, 32
What are the first 5 multiples of 7?
7, 14, 21, 28, 35
What are all possible arrays of 21?
1 x 21, 21 x 1, 7 x 3, 3 x 7
15
composite
True or False:
All even numbers greater than 2 are prime.
True
What are the factors of 47?
1, 47
What are the first 5 multiples of 13?
13, 26, 39, 52, 65
True of False: These are all the possible arrays for 36.
1 x 36, 36 x 1, 2 x 18, 18 x 2, 3 x 12, 6 x 6,
False, 12 x 3 is missing
33
composite
Which of these are a factor pair of 42?
3 x 14, 21 x 3, 7 x 8
3 x 14
Is 6 a factor of 96?
Yes, 16 x 6 = 98
Is 126 a multiple of 3?
Yes
True or False:
3 x 21 is a possible array for 63.
True
1
neither
Are all of these numbers multiples of 11?
99, 111, 121
No, 111 is not a multiple of 11.
Is 7 a factor of 98?
Yes, 14 x 7 = 98
Yes
True or False: These are all the possible arrays for 41
1 x 41, 41 x 1, 3 x 17, 17 x 3
False, 3 x 17 x 17 and 3 are not arrays of 41
79
prime
The dividend is a multiple of 2. The divisor is a factor of 12. The quotient is a factor of 24.
Dividend ÷ Divisor = Quotient
2 ÷ 2 = 1, 12 ÷ 2 = 6, 12 ÷ 4 = 3, etc.