mersenneforum.org  

Go Back   mersenneforum.org > Factoring Projects > Factoring

Reply
 
Thread Tools
Old 2015-11-22, 15:59   #1
Gordon
 
Gordon's Avatar
 
Nov 2008

3·167 Posts
Default Accidentally factored

While running a fresh set of curves through gmp-ecm, I set the haswell to running ecm (advanced, ecm) on an exponent in the 250k range, I meant to type in 255251, instead I mis-typed 255521.

Found 3 factors

127

1615926072477214583301236874001 - 100.35 bits

113251268558694037995013049810661462891857455223 - 156.30 bits
Gordon is offline   Reply With Quote
Old 2015-11-22, 16:17   #2
Stargate38
 
Stargate38's Avatar
 
"Daniel Jackson"
May 2011
14285714285714285714

677 Posts
Default

1615926072477214583301236874001=127*2423*8863*15193*35449*730753*1505447
113251268558694037995013049810661462891857455223=127*2423*8863*15193*35449*730753*1505447*70084436712553223

Some of those prime factors come from algebraic factors (M7, M173, M211, M1211, M1477, and M36503).
Stargate38 is offline   Reply With Quote
Reply

Thread Tools


Similar Threads
Thread Thread Starter Forum Replies Last Post
I may have accidentally hardwared fivemack Hardware 14 2018-03-23 01:43
accidentally unreserved exponent ixfd64 PrimeNet 4 2011-12-13 10:27
Have my assignments accidentally got unassigned? GAPa PrimeNet 0 2011-05-28 15:09
Accidentally Quitting GIMPS - Question fes016 PrimeNet 1 2008-05-10 16:32
Accidentally contacted PrimeNet jeff8765 Marin's Mersenne-aries 4 2003-10-30 00:55

All times are UTC. The time now is 07:39.


Thu Dec 2 07:39:47 UTC 2021 up 132 days, 2:08, 0 users, load averages: 1.82, 1.42, 1.30

Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2021, Jelsoft Enterprises Ltd.

This forum has received and complied with 0 (zero) government requests for information.

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation.
A copy of the license is included in the FAQ.