2x3=6
3x3=9
4x3=12
5x3=15
6x3=18
7x3=21
8x3=24
9x3=27
10x3=30
...
20x3=60
1x4=4
2x4=8
3x4=12
4x4=16
5x4=20
6x4=24
7x4=28
8x4=32
9x4=36
10x4=40
11x4=44
12x4=48
13x4=52
14x4=56
15x4=60
1x5=5
2x5=10
3x5=15
4x5=20
5x5=25
6x5=30
7x5=35
8x5=40
9x5=45
10x5=50
11x5=55
12x5=60
LCM is 60 because that's where all multiples of each factor are first equal.
What I just said, makes any since to you?
