Composite Mersenne Number/Examples/M167/Historical Note

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Historical Note on Mersenne Number $M_{167}$

Mersenne number $M_{167}$ was one of a set of $6$ demonstrated to be composite by Horace Scudder Uhler using a manual desk calculator in the $1940$s, in what turned out to be a vain attempt to find the next Mersenne prime after $M_{127}$.