Prime Factorization and Greatest Perfect Square
The prime factorization of 14.
2 x 7
The GCF of 6 and 15.
What is 3?
The LCM of 2 and 9.
What is 18?
You have a piano lesson every 4 days.
You have a guitar lesson every 6 days.
Today you had both lessons. In how many days will you have both lessons on the same day again?
12 days
The GCF of 39 and 65.
The Prime Factorization of 40.
23 x 5
The GCF of 12 and 48.
What is 12?
The LCM of 15 and 20.
What is 60?
You are making balloon arrangements.
There are 16 white balloons.
There are 24 red balloons.
What is the greatest number of arrangements you can make using every balloon?
What is 8 arrangements?
The Prime Factorization of 48.
What is 24 x 3.
The Prime Factorization of 99.
What is 32 x 11?
The GCF of 45 and 60.
What is 15?
The LCM of 9 and 21.
What is 63?
You have 52 inches of yellow ribbon.
You have 64 inches of red ribbon.
You want to cut the pieces of ribbon into equal lengths with no leftovers.
What is the greatest length of pieces that you can make?
What is 4 inches?
The greatest perfect square that is a factor of 60.
What is 4?
The number represented by this prime factorization:
22 x 3 x .
What is 84?
The GCF of 38 and 95.
What is 19?
The LCM of 12 and 27.
What is 108?
Hamburgers come in packs of 20.
Buns come in packs of 12.
What is the least number of packs of hamburgers and buns you should buy to have the same number of both?
Packs of Burgers:
Packs of Buns:
What is
3 packs of hamburgers
5 packs of buns
There are two traffic lights.
The first traffic light changes every 30 seconds.
The second traffic light changes every 40 seconds.
Both lights just changed.
How many seconds until they both change at the same time again?
What is 120 seconds?
The greatest perfect square that is a factor of 150?
What is 25.
The GCF of 42, 70, and 84.
What is 14?
The LCM of 6, 8, and 15.
What is 120?
You purchase plates, cups and forks for a cook out.
Plates are sold in packages of 24.
Cups are sold in packages of 32.
Forks are sold in packages of 48.
What is the least number of packages you should buy in order to have the same number of plates, cups, and forks.
packages of plates:
packages of cups:
packages of forks:
4 packages of plates
3 packages of cups
2 packages of forks
A florist is making identical bouquets using
72 red roses
60 pink roses
48 yellow roses
What is the greatest number of bouquets the florist can make without any roses left over?
What is 12?