Factors
What is the greatest common factor of 12 and 18?
6
Is the number 7 a prime or composite number?
Prime
A Prime Number is:
A whole number that has exactly two distinct factors: 1 and itself.
(For example, the factors of 7 are 7x1)
The Least Common Multiple of 2 and 4 is___?
4
What is the greatest common factor of 16 and 32?
16
Is the number 10 a prime or composite number?
Composite
A product is:
The result of multiplying two or more numbers. For example, the product of 3 and 4 is 12
(3x4=12)
The least common multiple of 6 and 9 is____?
3
Toby packs 16 whistles and 40 stickers in gift bags. Each gift bag has the same number of whistles and the same number of stickers. Toby packs all of the whistles and stickers in the gift bags. How many bags does Toby pack?
2, 4, 5, 8, 16, or 40
8
What is the greatest common factor of 26 and 39?
1, 4, 13, 14, 16, 26
13
Are the following numbers Prime or Composite?
9, 27, 45, 54
Composite
Composite Number
A whole number that has more than two factors (so it can be broken down into smaller whole numbers)
For example, the factors of 4 are 2x2 and 4x1
The Least Common Multiple of 12 and 9 is____?
36
Tyler receives a letter every 6 days. He receives a package every 8 days. Tyler receives both a letter and a package today. How many days from today will Tyler receive a letter and a package again on the same day?
24 days
Which numbers are common factors of 24 and 72? Choose all that apply.
144, 48, 24, 6, 2
2, 6, 24
Are the following numbers prime or composite
3, 5, 7, 11, 13
Prime
A Multiple is:
A number you get by multiplying a given number by a whole number. For example, 12 is a multiple of 3 because 3×4=12. You can find them by skip counting
3: 3, 6, 9, 12, 18, 21, 24
What are common multiples of 3 and 12? List all that apply.
6, 12, 18, 24, 27, 36
12, 24, and 36
Toby packs 16 whistles and 40 stickers in gift bags. Each gift bag has the same number of whistles and the same number of stickers. Toby packs all of the whistles and stickers in the gift bags. How many whistles are in each gift bag?
2, 4, 5, 8, 16, or 40
2
Which numbers are the common factors of 16 and 32? list all that apply
1, 4, 13, 14, 16, 26
1, 4 and 16
Which of the following numbers are prime? List all that apply.
2, 3, 4, 5, 13, 27
2, 3, 5, 13
A Factor is:
A whole number that divides exactly into another whole number with no remainder.
For Example, 3 and 4 are factors of 12 because 3x4=12
Which of the following numbers are common multiples of 6 and 14? Choose all that apply.
2, 42, 64, 84, 126
42, 84, 126
Toby packs 16 whistles and 40 stickers in gift bags. Each gift bag has the same number of whistles and the same number of stickers. Toby packs all of the whistles and stickers in the gift bags. How many stickers are in each gift bag?
2, 4, 5, 8, 16, or 40
5