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Factors
Multiples
LCM
GCF
Primes
100

Factors of 6=

What is 1,2,3,6

100

50, 75, 100, 125, 150...

What are the first five multiples of 25?

100
LCM(8,9)=
What is 72
100
The greatest common factor of 6 and 24
What is 6?
100
2x2x5x7
What is the prime factorization of 140?
200

Factors of 5=

What is 1,5

200

The first five multiples of 9

What is 18, 27, 36, 45, 54?

200
LCM(6,7)=
What is 42
200
GCF(25, 48)=
What is 1?
200
3x3x3x3
What is the prime factorization of 81?
300
The factors of 36
What is 1, 2, 3, 4, 6, 9, 12, 18, 36
300

Multiples of 7=

What is 14, 21, 28, 35, 42...

300

Boxes that are 12 inches tall are being stacked next to boxes that are 18 inches tall.  What is the shortest height at which the two stacks will be the same height?

What is 36? 

300

Bianca is creating lollipop bouquets using 30 cherry lollipops and 36 orange lollipops. She wants each bouquet to be identical, with no lollipops left over. What is the greatest number of lollipop bouquets she can create?

What is 6 bouquets?

300
Prime Factorization of 300
What is 2x2x3x5x5
400
1, 2, 3, 5, 6, 10, 15, 30
What are the factors of 30?
400

True or False The multiples of prime numbers are also prime. 

False

400

Pencils come in packages of 10.  Erasers come in packages of 12.  Phillip wants to purchase the smallest number of pencils and erasers so that he will have exactly 1 eraser per pencil.  How many packages of pencils and erasers should Phillip buy?

What is 6 packages of pencils and 5 packages of erasers ?

400
GCF(12, 30)=
What is 60?
400
This number is missing from the prime factorization 2x2x3=24
What is 2?
500
The missing number in these factors: 1, 2, 4, 8, 10, 20, 40
What is 5?
500
36, 45, 72, 108 are multiples of this number
What is 9?
500

Timothy has two trains, one is A and the other is B. He starts both trains at the same time. Train A returns at its starting point every 12 seconds, and Train B returns every 8 seconds. What is the least amount of time, in seconds, that both trains will arrive at the starting point at the same time?

What is 24 seconds?

500

Two whole numbers have a least common multiple of 30. Each number is less than or equal to 15. The greatest common factor of the two numbers is 5. What are the numbers?

What is 10 and 15 ? 

500

Any number less than 121 is prime if it cannot be divided by these numbers.

What are 2, 3, 5, and 7?