2521 (another Prime Pages' Curiosity)
 Curios: Curios Search:   Participate: GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits) (2 * 2521) - 1 = 712 and 2 * (2521 - 1) = 7!. [Forslund] 2521 minus one is the smallest EPRN. 25212 = 14563 - 14553, i.e., one solution to the Diophantine equation z2 = x3 - y3. A Diophantine equation is a polynomial equation in which only integer solutions are allowed. These are named after the Greek algebraist Diophantus who lived in the 3rd century. [Mizuki] The smallest prime formed by concatenating consecutive composite odd numbers. [Green] The smallest prime that can be represented as the product of a number n and its reversal plus 1, in two ways, (n=120 and n=210). [Loungrides] The smallest prime p such that p ≡ 1 mod d , where d stands for any of the digits 2 through 9. [Beedassy] (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=1000 Prime Curios! © 2000-2019 (all rights reserved)  privacy statement   (This page was generated in 0.0170 seconds.)