The Repunit Primes Project
The Repunit Primes Project |
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Curiosity
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11111 Repunit (1995 WL) is a main-belt asteroid discovered on November 16, 1995 by T. Kobayashi at Oizumi. |
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In this video, you can see the Bob Speca's Dominos
challenge. In the challenge Bob uses 111,111
dominoes.You can listen this repunit number from 0:34 to
0:43, in the timeline of the video. |
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The ElektroSoft (http://www.elektrosoft.it), the Giovanni Di Maria's firm, was born on 11/11/11 at 11:11 o'clock. |
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Nov 18, 2015 - 17:30 PM ET, ("Lucara" or the "Company"), the high quality diamond producer with assets in Botswana, is pleased to announce the recovery of a 1,111 carat gem quality. See the link. |
| Jun 2020: Nice PRP number, made up of 50,473
digits, discovered by by Matt Stath: |
| 66879*2*((10^2-1)/9)*((10^19-1)/9)*((10^23-1)/9)*((10^317-1)/9)*((10^1031-1)/9)*((10^49081-1)/9)+1
is PRP! |
| 66879*R(2)*R(19)*R(23)*R(317)*R(1031)*R(49081)+1 is PRP! |
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| Jun 2020: Nice PRP number, made up of 13,564 digits, discovered by by Matt Stath: |
| (10^13564-1)/9+(10^1031-1)/9+(10^317-1)/9+(10^23-1)/9+(10^19-1)/9+(10^2-1)/9+(10^1-1)/9
is PRP! |
| R(13564)+R(1031)+R(317)+R(23)+R(19)+R(2)+R(1) is PRP! |
| Some of The Repunits and Repunit factors with
10,000 or more digits are at http://www.primenumbers.net/prptop/searchform.php?form=%2810%5En-1%29%2F%3F&action=Search |
| 1089049*2^3691010+1
is 1111111-digits, a top 5000 prime, and discovered by A51
in December 2024! Go to https://t5k.org/primes/search.php and then: Digits minimum: 1111111 Digits maximum: 1111111 click SEARCH DATABASE FOR MATCHES. |