Prime Curios!: 1087

1087
(another Prime Pages' Curiosity)

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1087 is a prime factor of the 32nd Lucas number (the first such number with index of form 2^n that is composite).

The largest known number such that (10000^n+1)/10001 is a probable prime.

The smallest prime of the form R_m-m!, i.e., 1111-4! = 1087. [Loungrides]

(There are 3 curios for this number that have not yet been approved by an editor.)