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3 votes
What is the lcm of 15 and 21?

User MannyNS
by
8.3k points

2 Answers

1 vote

Answer:

3

Explanation:

Factor into prime numbers

15 = 3 * 5

21 = 3 * 7

LCM = 3

User Cadell Christo
by
8.1k points
2 votes

Answer:

105

Explanation:

User Sherwin Flight
by
7.8k points