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072
MMO 072 Moscow MO 1941 \overline 523abc divisible by 7, 8,9
MMO 072 Moscow MO 1941 \overline 523abc divisible by 7, 8,9
Source:
July 18, 2019
number theory
divisible
Problem Statement
Find the number
523
a
b
c
‾
\overline {523abc}
523
ab
c
divisible by
7
,
8
7, 8
7
,
8
and
9
9
9
.
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