Results so far. Here are the (up to) 10 largest factors found by ECM so far this year (see also the all-times all-ecm-programs top-50 table, and the gmp-ecm top ten from 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 ):
| digits | factor | from | B1 | sigma | date | who |
| 73 | 1808422353177349564546512035512530001279481259854248860454348989451026887 | 21181-1 | 3e9 | 4000027779 | 06 Mar 2010 | J. Bos, T. Kleinjung, A. Lenstra, P. Montgomery |
| 73 | 1042816042941845750042952206680089794415014668329850393031910483526456487 | 21163-1 | 3e9 | 3000085158 | 18 Apr 2010 | J. Bos, T. Kleinjung, A. Lenstra, P. Montgomery |
| 66 | 694217535399847678048415113186577758507635822252803808473674680017 | 21073-1 | 3e9 | 3000000623 | 31 May 2010 | J. Bos, T. Kleinjung, A. Lenstra, P. Montgomery |
| 64 | 5985308577876124650278825351417108648386073995987866741912341909 | 17173-1 | 300e6 | 1486915 | 16 May 2010 | A. Bhargava/S. Pelissier |
| 63 | 153327833285998453874202767942570343649971393640068204571694369 | 21187-1 | 3e9 | 3000000588 | 30 Jan 2010 | J. Bos/T. Kleinjung |
| 63 | 153324493619416764902227532669212014081062899163967552854225491 | 21085+1 | 26e7 | 2305937611 | 06 May 2010 | B. Dodson |
| 62 | 99761316013342209384411056171865395568091039823933360047894109 | 82133+1 | 300e6 | 1485631 | 10 May 2010 | A. Bhargava/S. Pelissier |
| 62 | 44098070546316336069732891124299479167253575131341897248372433 | 6344+1 | 260e6 | 3660690326 | 10 Feb 2010 | B. Dodson |
| 62 | 19354275048153085260502985763801078164890953285078303467480611 | 2955+1 | 11e7 | 3667332572 | 14 May 2010 | B. Dodson |
| 62 | 18435808944826087315724004590959692083957933332391173084977217 | 3496 + 2496 | 110e6 | 484245168 | 12 May 2010 | A. Edwards |
ECMNET Newsletters: number 1 (13 Feb 1998), number 2 (15 Mar 1998), number 3 (17 Apr 1998), number 4 (15 May 1998), number 5 (18 June 1998), number 6 (15 July 1998), number 7 (17 August 1998), number 8 (17 September 1998), number 9 (16 October 1998), number 10 (23 November 1998), number 11 (17 December 1998), number 12 (19 April 1999), number 13 (16 December 1999).
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