Prime Factorization
GCF
GCF
LCM
LCM
100
/\ 4 2 /\ 2 2
What is 8?
100
5 and 25
What is 5?
100
6 and 36?
What is 6?
100
5 and 8
What is 40?
100
7 and 9
What is 63?
200
/\ 5 4 /\ 2 2
What is 20?
200
14 and 49
What is 7?
200
7 and 35?
What is 35?
200
14 and 28?
What is 28?
300
/\ 6 6 /\ /\ 3 2 3 2
What is 36?
300
16 and 12
What is 4?
300
36 and 30?
What is 6?
300
9 and 15
What is 30?
300
12 and 20?
What is 60?
400
Prime Factorization of 40
What is /\ 8 5 / \ 4 2 /\ 2 2
400
36 and 72
What is 36?
400
12 and 36?
What is 12?
400
6, 16 and 8?
What is 48?
400
15, 30 and 45
What is 90?
500
Prime factorization of 72
What is many answer
500
Ms. Coopersmith wants to put all of 6th grade into rows for an assembly. There are 18 boys and 27 girls. Each row has only boys or only girls. What is the greatest number of students that can stand in each row?
What is 9?
500
Lauren and Maddy are bowling. Lauren knocks down 8 pins on every throw. Maddy knocks 7 pins. What is the least number of pins they can knock down so they will knock down the same amount?
What is 72?
500
Sara jogs every fourth day. Izzy jogs along the same path every fifth day. Both girls jog on the path on July 7. When is the next day they will they jog on the path?
What is July 27?