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90

Prime factorization of:

30 =... 2 * 3 * 5

45 =.........3 * 5 * 3

================

LCM= 2 * 3 * 5 * 3 = 90

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2012-08-14 08:31:49
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Q: How is 90 the LCM of 30 and 45?
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