Prime Factorization
Greatest Common Factor
Factors
Least Common Multiple
Mixed
100
26
What is 2x13
100
30,42
What is 6
100
12
What is 1,2,3,4,6,16
100
4,7
What is 28
100
Find the least common multiple of 16 and 20
What is 80
200
140
What is 2x2x5x7
200
12,36
What is 12
200
24
What is 1,2,3,4,6,8,12,24
200
3,9,15
What is 45
200
Find the 1st 5 multiples of 8
What is 8,16,24,32,40
300
150
What is 2x3x5x5
300
11,44,77
What is 11
300
20
What is 1,2,4,5,10,20
300
10,40,50
What is 200
300
Name the 1st 5 prime numbers
What is 2,3,5,7,11
400
189
What is 3x3x3x7
400
2,3,4,5,6,7
What is 1
400
27
What is 1,3,8,27
400
18,27
What is 54
400
Are these numbers prime or composite 99, 81 and 1,234
What is composite
500
315
What is 3x3x5x7
500
18,45,63,81
What is 9
500
54
What is 1,2,3,6,9,18,27,54
500
8,12,18,20
What is 360
500
What is the GCF of 75 and 90
What is 15
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