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13 March, 14:18

What is the least common multiple of 20, 7, and 4?

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  1. 13 March, 14:22
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    Answer: 1
  2. 13 March, 14:26
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    It is 140 prime factors of 4:2,2 and the prime factors of 7: 7 and the prime factors of 20: 2,2,5. Then multiply 2x2x5x7=140
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