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The LCM of 4 and 45 is 180.
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Find least common multiple (LCM) of: 8 & 90 12 & 135 20 & 225 28 & 315 8 & 45 4 & 90 12 & 45 4 & 135 20 & 45 4 & 225 28 & 45 4 & 315
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