 126 (another Prime Pages' Curiosity) Curios: Curios Search:   Participate:  GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits) 126*126!8 + 1 is prime. [Fougeron] The smallest multi-digit number such that the sum of its prime factors (without repetition) equals the product of its digits. [Russo] 126 multiplied by the 126th Lucas number plus and minus one results in twin primes of prime length (29 digits). This is the largest such Lucas number less than 10^2000. [Opao] 126^126 + 126! + 126*126 + 126/126 + 126 is prime. It is interesting that the digits of 126 have the same property. [Firoozbakht] The prime gap that covers the first century with no primes (from 1671800 to 1671899) has length 126 (from 1671781 to 1671907). 126! - 126*126 - 126/126 is a 212-digit prime. [Firoozbakht] (There are 2 curios for this number that have not yet been approved by an editor.)   To link to this page use /curios/page.php?number_id=842 Prime Curios! © 2000-2019 (all rights reserved)  privacy statement   (This page was generated in 0.0095 seconds.)