Little math problem(s) December 2018

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Little math problem(s) December 2018

12-19-2018, 09:20 PM

Post: #2

Thomas Klemm Offline

Senior Member

Posts: 2,057
Joined: Dec 2013

RE: Little math problem December 2018

Code:

Spoiler Alert!

Since 10^k - 1 ≡ 0 (mod 9) the result R is divisible by 9.

The smallest divisor of 9 greater than 1 is 3.

Cheers
Thomas

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RE: Little math problem December 2018 - Thomas Klemm - 12-19-2018 09:20 PM

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