TOT 417 1994 Spring A S5 integer that divides M. after crossing 1 digit
Source:
June 12, 2024
number theoryDigitsdivisibledivides
Problem Statement
Find the maximal integer with nonzero last digit (in its decimal representation) such that after crossing out one of its digits (not the first one) we can get an integer that divides .(A Galochkin)