Difficult LCM
Greatest Common Factor
Prime Factors
Least Common Multiple
Wild Card
100
What is the Least common multiple of 56 and 28?
56
100
12 and 2
2
100
What are the prime factors of 12?
2x2x3
100
12 and 24
24
100
What does GCF stand for?
Greatest common factor
200

What is the Least common multiple of 12 and 60?

60
200
16 and 84
4
200
What are the Prime Factors of 24
2x2x2x3
200
7 and 8
56
200
What does LCM stand for?
Least Common Multiple
300

What is the Least common multiple of 6 and 82?

246
300
9 and 90
9
300
What are the Prime Factors of 40
2x2x2x5
300
6 and 40
120
300
If you find a LCM for two fractions and add them, will you ever have to reduce the sum?
Yes 

Example: 1/2 + 2/8 = 4/8 + 2/8 = 6/8 = 3/4

400

What is the Least common multiple of 16 and 56?

112
400
44 and 14
2
400
Is it possible to have different set of prime factors for the same number?
NO there is one unique set of prime factors for each number.
400
5 and 12
60
400
What number will have a prime factorization of 

2, 2, 2, 2, 2?

32
500

What is the Least common multiple of 28 and 96?

672
500
17 and 7
1
500
What is the prime factors of 47.
1 and 47.
500
15 and 6
30
500
Give me a number who's Prime factorization will be  

2, 3, 3, 2, 5.

168
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