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Best Answer

100/2 = 50/2 = 25/5 = 5/5 = 1
120/2 = 60/2 = 30/2 = 15/3 = 5/5 = 1
130/2 = 65/5 = 13/13 = 1

2 x 2 x 5 x 5 = 100
2 x 2 x 2 x 3 x 5 = 120
2 x 5 x 13 = 130
Combine the factors, eliminating duplicates.
2 x 2 x 2 x 3 x 5 x 5 x 13 = 7800, the LCM

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Q: What is the LCM of 100and120 and 130 by using continuous division?
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