mersenneforum.org - Prime curio publishe on Chris Caldwell page

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enzocreti

2019-04-06 20:28

Prime curio publishe on Chris Caldwell page

I am proud that my curio has been published on the Chris Caldwell page:

73 divides both 71!-1 and 17!-1!!!

rudy235

2019-04-06 21:22

[QUOTE=enzocreti;512901]I am proud that my curio has been published on the Chris Caldwell page:

73 divides both 71!-1 and 17!-1!!![/QUOTE]

First of all congratulations. Also please note the sign !!! is the sign of a multifactorial.

[OEIS]A007661[/OEIS]

enzocreti

2019-04-06 21:37

sorry

no triple factorial

73 divides 17!-1 and 71!-1

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