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Induced divisibility (
Posted on 20210318
)
There is some natural number written on the board. An operation is defined as adding to the number its maximal proper divisor. Prove that after some iterations of this operation that we get a number that's divisible by 3
^{2020}
.
No Solution Yet
Submitted by
Danish Ahmed Khan
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Comments: (
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Subject
Author
Date
re: Maybe more straightforward
Jer
20210320 12:26:28
Maybe more straightforward
tomarken
20210318 15:29:49
re: a pattern
tomarken
20210318 14:51:04
a pattern
Charlie
20210318 12:41:55
re(2): Solution (i think)
tomarken
20210318 11:45:56
re: Solution (i think)
Charlie
20210318 11:30:59
Solution (i think)
tomarken
20210318 10:43:18
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