Factors
Define or explain what a factor is.
Factors are numbers you multiply to make other numbers. For example the factors of 15 are 1x15, 3x5.
Define or explain what a multiple is
Multiples are numbers you make by multiplying the numbers they are asking about. For example some multiples of five are 5, 10, 15, 20, 25, 30
You are filling piñatas for your friend's birthday party. The list shows the gifts you are putting into the piñatas. You want identical groups of gifts in each piñata with no gifts left over. What is the greatest number of piñatas you can make?
10 piñatas
List all of the factors of 18
1, 2, 3, 6, 9, 18
List the first 5 multiples of 3
3, 6, 9, 12, 15
What is the least common multiple of 6 and 9?
18
You hang two strands of decorative lights.
Strand 1: changes color every 14 seconds
Strand 2: changes color every 18 seconds
Both strands just changed color. After how many seconds will the strands change color at the same time again?
126 seconds
List all of the factors of 48.
1, 2, 3, 4, 6, 8, 12, 16, 24 and 48.
List the first 5 multiples of 13
13, 26, 39, 52, 65
What is the greatest factor of 24 and 54
6
What is the least common multiple of 9 and 24?
72
You are filling bags with cookies to give to your friends. You want identical groups of cookies in each bag with no cookies left over. What is the greatest number of bags you can make?
6 bags
List all of the factors of 175.
1, 5, 7, 25, 35 and 175
List the first 5 multiples of 16
16, 32, 48, 64, 80
What is the great common factor of 52 and 65?
13
What is the least common multiple of 26 and 39?
78
A geyser erupts every fourth day. Another geyser erupts every sixth day. Today both geysers erupted. In how many days will both geysers erupt on the same day again for the first time?
12 days
List all of the factors of 256
1, 2, 4, 8, 16, 32, 64, 128 and 256
List the first 5 multiples of 28
28, 56, 84, 112, 140
What is the greatest common factor of 16, 32 and 72
8
What is the least common multiple of 6, 12, and 14?
84
A traffic light near Major League Roast Beef changes every 35 seconds. Another traffic light near Pub 99 changes every 50 seconds. Both lights just changed. After how many seconds will both lights change at the same time again?
350 seconds