GCF vs. LCM

LCM stands for

• Least correct multiple

• Least common multiple

• Latest common multiple

• Laser classroom mouse

What does GCF mean?

• Great Cookie Fever

• Greatest Common Multiple

• Greatest Common Factor

• Greatest Compared Factor

Q. What are the factors of 25?

• 1, 2, 3, 5, 10, 15, 25

• 1, 5, 25

• 1, 25

• 1, 5

Tags

CCSS.4.OA.B.4

There are 48 girls and 64 boys.

The choir teacher plans to arrange the students in equal rows.

Only girls or boys will be in each row (no mixing of girls and boys in the same row). What is the greatest number of students that could be in each row?

You can you find the answer to this question by finding the:

• GCF

• LCM

• Neither

Two neon signs are turned on at the same and begin to blink. One sign links every 9 seconds. The other blinks every 15 seconds. In how many seconds will they blink together?

You can you find the answer to this question by finding the:

• LCM

• GCF

• None of the above

Sara had 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 that she can make?

You can you find the answer to this question by finding the:

• LCM

• GCF

• PEMDAS

• None of the above

The school cafeteria serves tacos every sixth day and cheeseburgers every eighth day. If tacos and cheeseburgers are both on today's menu, in how many days will they both be on the menu again?

You can you find the answer to this question by finding the:

• GCF

• LCM

• PEMDAS

• None of the above