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First, find the LCM.
Example: 30 and 42
Factor them.
2 x 3 x 5 = 30
2 x 3 x 7 = 42
Combine the factors, eliminating duplicates.
2 x 3 x 5 x 7 = 210, the LCM
Double it to find the next common multiple, 420.
Triple it to find the next common multiple, 630.
Quadruple it to find the next common multiple, 840.
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∙ 10y ago
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What are the first four common multiples of 6and 9?
The lowest common multiple is 18. The first four common multiples are thus the first four multiples of 18 and are: 18, 36, 54 and 72.
What is the first four common multiples of 8 and 22?
answer is 88,176,264
What are the first five common multiples of four?
The first five multiples of 4 are 4, 8, 12, 16 and 20. For them to be common, they need to be compared to another set of multiples.
What is the first four common multiples of 8?
Multiples of 8 include 8, 16, 24 and 32. For them to be common, they need to be compared to another set of multiples.
What is the first four common multiples of 6?
6, 12, 18, 24
What are the first three common multiples of four and ten?
20, 40 and 60
What are the first three common multiples of four and five?
20, 40, 60.
What are the first three common multiples of four and nine?
They are: 36, 72, 108.
Where are the first three common multiples of four and five?
What are the first three common multiples of four and five
What are the first four common multiples of 3 and 5?
15, 30, 45 and 60
What are the First floor common multiples of two and four?
4, 8, 12, 16
What is the first three common multiples of four five and ten?
20, 40, 60
