Math: GCF, LCM & Prime Numbers

Test your knowledge of #sixth grade #math on the #GCF #LCF and #prime #numbers #mathematics #6th #elementary #middleschool #trivia #fun

Questions 9

Answers

1
What are the prime factors for 36?
2x3x3
2x2x3x3
2x2x2x3
3x3x4
2
True or False: 51 is a prime number.
True
False
3
What is the Least Common Multiple (LCM) for 8 & 10?
50
40
60
80
4
True or False: 81 is a prime number.
False
True
5
What are the prime factors for 90?
2x5x9
2x3x3x5
3x3x3x5
2x2x3x5
6
What is the Greatest Common Factor (GCF) for 6 & 15?
5
6
30
3
7
What are the prime factors for 48?
2x2x2x3
2x2x2x2x3
2x2x3x4
4x12
8
What is the Least Common Multiple (LCM) for 6 & 9?
12
15
18
3
9
True or False: Greatest Common Factor (GCF) for 16 and 20 is 4.
False
True

Test your knowledge of #sixth grade #math on the #GCF #LCF and #prime #numbers #mathematics #6th #elementary #middleschool #trivia #fun

Answers

1
What are the prime factors for 36?
2x3x3
2x2x3x3
2x2x2x3
3x3x4
2
True or False: 51 is a prime number.
True
False
3
What is the Least Common Multiple (LCM) for 8 & 10?
50
40
60
80
4
True or False: 81 is a prime number.
False
True
5
What are the prime factors for 90?
2x5x9
2x3x3x5
3x3x3x5
2x2x3x5
6
What is the Greatest Common Factor (GCF) for 6 & 15?
5
6
30
3
7
What are the prime factors for 48?
2x2x2x3
2x2x2x2x3
2x2x3x4
4x12
8
What is the Least Common Multiple (LCM) for 6 & 9?
12
15
18
3
9
True or False: Greatest Common Factor (GCF) for 16 and 20 is 4.
False
True