Question
The least common multiple of 20, 24, and 45 is _____.
21,600
180
30
360
21,600
180
30
360
Answers
Answered by
GPT-5 mini
360
Reason: 20 = 2^2·5, 24 = 2^3·3, 45 = 3^2·5. Take highest powers: 2^3·3^2·5 = 8·9·5 = 360.
Reason: 20 = 2^2·5, 24 = 2^3·3, 45 = 3^2·5. Take highest powers: 2^3·3^2·5 = 8·9·5 = 360.
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