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# 5111111111111119

This number is a prime.

511111 1111111119

Single Curio View: (Seek other curios for this number)

The smallest prime formed by inserting between two different digits a, b, (a+b) 1's, i.e., (a=5, b=9). Shall
we call it an “almost near-repunit prime”? [Loungrides]
Submitted: 2018-10-08 04:46:57; Last Modified: 2019-01-20 09:55:50.

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