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What is the least common multiple of 15 and 20?
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3 votes
What is the least common multiple of 15 and 20?

User ZeZNiQ
by
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1 Answer

5 votes

Answer: 60

Explanation:

Find the prime factor of 15

15 = 3 × 5

Find the prime factor of 20

20 = 4 × 5

Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:

4 × 3 × 5

LCM = 60

User Li Haoyi
by
3.8k points
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