GCF
LCM
Prime & Composite
Multiples
Factors
100

What is the greatest common factor of 15 and 30?

What is 15

100

What is the least common multiple of 12 and 18?

What is 36

100

List the first five Prime numbers

What is 2, 3, 5, 7, 11

100

What are the first six multiples of five?

What is 5, 10, 15, 20, 25, 20

100

What are the factors of 15?

What is 1, 3, 5, and 15

200

What is the greatest common factor of 48 and 72?

What is 24

200

What is the least common multiple for 20 and 36?

What is 180

200

List the first seven composite numbers

What is 4, 6, 8, 9, 10, 12, 14

200

What are the first seven multiples of 3?

What is 3, 6, 9, 12, 15, 18, 21

200

What are the factors for 20?

What is 1, 2, 4, 5, 10, and 20

300

What is the greatest common factor for 34 and 77?

What is 1

300

What is the least common multiple for 20 and 50?

What is 100

300

Is 61 Prime or Composite?

What is Prime

300
What are the first five multiples of 12?

What is 12, 24, 36, 48, 60

300

What are the factors of 63?

What is 1, 3 ,7 ,9, 21, and 63

400

What is the greatest common factor for 25 and 50?

What is 25

400

What is the least common multiple of 30 and 80?

What is 240

400

Is 87 Prime or Composite?

What is Composite

400

What are the first five multiples of 44?

What is 44, 88, 132, 176, 220

400

What are the factors of 367?

What is 1 and 367

500

What is the greatest common factor for 40 and 35?

What is 5

500

What is the least common multiple of 27 and 30?

What is 270

500

Is 363 Prime or Composite?

What is Composite

500

What are the first eight multiples of 7?

What is 7, 14, 21, 28, 35, 42, 49, 56
500

What are the factors for 78?

What is 1, 2, 3, 6, 13, 26, 39, and 78

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