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The least common multiple of two positive integers is $7!$, and their greatest common divisor is $9$. If one of the integers is $315$, then what is the other? (Note that $7!$ means $7\cdot6\cdot5\cdot4\cdot3\cdot2\cdot 1$.)

 Mar 19, 2019
 #1
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7! / 315 = 16

16 * 9 (Their GCD) = 144

LCM{315, 144} =7!

GCD{315, 144} =9

 Mar 19, 2019
edited by Guest  Mar 19, 2019
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thanks

CorbellaB.15  Mar 27, 2019

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