Order of Operations
Prime and Composite Numbers
Greatest Common Factor (GCF)
Least Common Multiple (LCM)
100
What is 5 + 10 x 2?
25
100
Is 9 a prime or composite number?
composite
100
Find the GCF of 4 and 8.
4
100
What is the LCM of 8 and 12?
24
200
What is (12 + 4) x (5 x 2)?
160
200
Is 11 a prime or composite number?
prime
200
Find the GCF of 15 and 20.
5
200
What is the LCM of 20 and 16?
80
300
What is 15 + 48 - 13 x 3?
24
300
What are the factors of 6?
1,2,3,6
300
Find the GCF of 12 and 24.
12
300
What is the LCM of 15 ad 20?
60
400
What is (20 x 30) + (35 - 16)?
581
400
What are the factors of 19?
1,19
400
Find the GCF of 18 and 20.
2
400
What is the LCM of 9 and 15?
45
500
What is (10+10) x (20 x 30)?
60,000
500
What are the factors of 50?
1,2,5,10,25,50
500
Find the GCF of 12, 20, and 28.
4
500
What is the LCM of 16 and 20?
80
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