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2021 AIME II Problem 13
Past Contests
AIME
2021 AIME II
problem-13
,
2021
,
aime
,
aime-ii
system
July 8, 2024, 8:47pm
1
Find the least positive integer
n
for which
2^{n}+5^{n}-n
is a multiple of
1000
.