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Problems
Contests
National and Regional Contests
Ukraine Contests
Official Ukraine Selection Cycle
Kyiv City MO
2021 Kyiv City MO
2021 Kyiv City MO Round 1
7.3
7.3
Part of
2021 Kyiv City MO Round 1
Problems
(1)
Small factoring
Source: Kyiv City MO 2021 Round 1, Problem 7.3
12/21/2023
Petryk factored the number
1
0
6
=
1000000
10^6 = 1000000
1
0
6
=
1000000
as a product of
7
7
7
distinct positive integers. Among all such factorings, find the one in which the largest of these
7
7
7
factors is the smallest possible.Proposed by Bogdan Rublov
Factoring
number theory