The book is now available! 1122334455667788991
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:

GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

                                                        112233445 5667788991
Single Curio View:   (Seek other curios for this number)


Place 1 after the concatenation of the 9 digits duplicated and obtain a 19-digit prime, whose sum of digits is the 91 appearing the end of the prime. [Silva]


  Submitted: 2011-05-15 08:25:24;   Last Modified: 2018-04-19 08:41:40.

Prime Curios! © 2000-2019 (all rights reserved)  privacy statement