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What is the largest two-digit number that is divisible by both of its digits, and the digits are distinct?

 Apr 5, 2020
 #1
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I recommend you work from 99 and go down in decreasing order. Guessing and checking won't take long.

 

EDIT: I got the answer 90 if zero counts as a digit.

 Apr 6, 2020
edited by AnExtremelyLongName  Apr 6, 2020
 #2
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The largest 2-digit integer, both distinct, which divides both its digits = 48

 Apr 6, 2020

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