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Composite Details

ID: 87 | 2072 digits

10207069223989366672981595803288616821521087354078707360278227563005716241986401519199923831670206265046900180996207623064605182054166907432030453296955961148260264922711496663103019915406327707398508540701198861702016204350526624894266195692033902687478146578706941794124840069924979123570901936900842526839204805153475568828934918614392085712974351326141809677626251138984115488741626319384446139924634439023983269452369979051964719030184201497253527819954653597922034614683387609907603222238402861428145726519847255778588487435398921663742119771640331123034484900969888750423975839991885868393851964720910194971384303804144025049254551483330845859734175865048573193947195897079073215758213533843286152772885060037710747690971347289573340762170959422445908124395767913753229343927946648395172888919517025482066560071675200691079390657088125980649715163636941330782392649676182701811259984579494884134793124555090767727391173728791817914807400183835829810080120750995821678243488517432842092642070399596388161931505584169232944526283215830026387599877232355176690071818858289529311378036810339439048408949070744812774348455065659244218597766624154860319052588556487919590105859218823549376656471214137347494928517133392486697706203398579024923137239381618358689530750804428806007217972522140709204668756869944613411186897584628986389563729203923677377813767916386544322001245066043863957048267564335409448602855231861181859683157119377068245526395173508858330420353307371676719369460756941069538210426561277504060376650346894313452795487115843005011445543933744383056971285416984517329609629915203152509041846200577058690881583713379239688536958406133888797082454411085907630311164411527246995303818286814193971838770281872419032291033636535848785212891962038775277020806507379755889927309364912252406677726729771033867909181419388776254917989384272835992030401564874214975450504227687072046911710936666478459829414614257233727619442832097047813543652825136317409746986581045477020170830441118222908968566917280389639177464015677995671744067777102846698920921211994641021

Composite Information

ID87
Original Form(655780520031017849622346178474512688044999530891733529951309185268221443094567343615188525645746066524175226907431764953918894732459712829197187532997839497129112744594847953963816927973044990490913228297925479815267437508554213057778571991310799012727175454750559029809027582833436723485166197050587047278022652415405563597499502269769894480605201^7-1)/(655780520031017849622346178474512688044999530891733529951309185268221443094567343615188525645746066524175226907431764953918894732459712829197187532997839497129112744594847953963816927973044990490913228297925479815267437508554213057778571991310799012727175454750559029809027582833436723485166197050587047278022652415405563597499502269769894480605201-1)
Current Composite 1020706922398936667298159580328861682152108735407870736027822756300571624198640151919992383167020626...
Digit Length2072
SNFS Possible No
GNFS Equivalent N/A
Priority3
Created2025-10-01 12:53:34.217597
Last Updated2026-03-05 18:25:39.418351
Status Active

T-Level Progress

Current T-Levelt33.14
Target T-Levelt85.0
Progress
39.0%

Work Summary

Total Attempts4
Total ECM Curves3,578
P-1 Attempts0
Factors Found0

Factorization Attempts by Method

ECM 3,578 curves
P-1 0 attempts
P+1 0 attempts
ECM Statistics:
Total Attempts: 4
Total Curves: 3,578
Factors Found: 0
B1 Range: 11,000 - 250,000
B1 B2 Param Curves Factor Found Client Submitted
250,000 42,901,960 3 3,072 None kruoli-och 2026-03-05 18:25
250,000 Stage 1 only SUPERSEDED 3 3,072 None KyleAskine-PC_V2 2026-03-05 17:49
50,000 20,318,772 1 256 None kruoli-och 2026-03-04 15:09
50,000 Default 1 143 None kruoli-och 2026-03-01 22:50
11,000 Default 1 107 None kruoli-IOS-5 2026-02-27 12:51
P-1 Statistics:
Total Attempts: 0
Total Curves: 0
Factors Found: 0

No P-1 attempts yet.

P+1 Statistics:
Total Attempts: 0
Total Curves: 0
Factors Found: 0

No P+1 attempts yet.