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Factors
Multiples
Greatest Common Factor
Least Common Multiple
Word Problems
100
List all of the factors of 32.
1, 2, 4, 8, 16, and 32
100
List 3 multiples of 8 that are less than 50.
8, 16, 24, 32, 40, 48
100
What is the greatest common factor of 12 and 15
3
100
What is the least common multiple of 3 and 7?
21
100

Sara has 16 red flowers and 24 yellow flowers. She wants to make bouquets with the same number of each color flower in each bouquet. What is the greatest number of bouquets she can make?

8

200
List all of the common factors of 12 and 20.
1, 2, and 4
200
List 3 common multiples of 2 and 6.
6, 12, 18, 24, 30, 36, 42, 48, etc.
200
What is the greatest common factor of 24 and 20?
4
200
What is the least common multiple of 4 and 9?
36
200

Two neon signs are turned on at the same time. Both signs blink as they are turned on. One sign blinks every 9 seconds. The other sign blinks every 15 seconds. In how many seconds will they blink together again?

45

300
List all of the factors of 42.
1, 2, 3, 6, 7, 14, 21, 42
300
List all the common multiples of 6 and 8 that are less than 50.
24 and 48
300
What is the greatest factor of 16 and 36?
4
300
What is the least common multiple of 2, 3, and 5?
30
300

Peter has 18 oranges, 27 pears, and 12 bananas. He wants to make fruit baskets with the same number of each fruit in each basket. What is the greatest number of fruit baskets he can make?

 3

400
List all of the factors of 52.
1, 2, 4, 13, 26, and 52
400
List 4 multiples of 7 greater than 10 but less than 50.
14, 21, 28, 35, 42, 49
400
What is the great common factor of 50, 35, and 15?
5
400
What is the least common multiple of 20 and 12?
60
400

Today, both the soccer team and the basketball team had games. The soccer team plays every 3 days and the basketball team plays every 5 days. When will both teams have games on the same day again?

15

500
List all of the common factors of 24 and 36.
1, 2, 3, 4, 6, 12
500
List all the common multiples of 12 and 18 that are less than 75.
36 and 72
500
What is the greatest common factor of 64 and 80?
16
500
What is the least common multiple of 21 and 24?
168
500

A train to New York City leaves a station every 7 minutes. Another train to Boston leaves the station every 6 minutes. Suppose it's 6:00 am right now. At what time will both trains leave the station together?

6:42 AM