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Composite Details

ID: 20781 | 715 digits

1708479588648552257375077976084161963508112125563173068761247309703753292911964616674895238182849631984470547921913807642724178484162860140220797603100112019018055273954650084731169065637562606779051191434438125468681105921823203231502052785338460882551840059095244551922356160995636911837114900375563759002945828617938275390424098816221576945193181102078393806064631201014846255532516479507328972974747901446697049648786635288865791807830916748844802545074198177156095774972880014423315378326779485847618300088071305776981760633147567677382828696198081068899782427725357834589009556856050758441824963168438121919937455842655199828032843800613798292113214192416124873193805727647082550772216146385458614249818854841

Composite Information

ID20781
Original Form(42788306790580556112519945558979626913555971700249051598592732083129193235399695231716484185804347355237729957120132989649327456546466065252000461778477370714416774508560645672562253231^5-1)/(42788306790580556112519945558979626913555971700249051598592732083129193235399695231716484185804347355237729957120132989649327456546466065252000461778477370714416774508560645672562253231-1)
Current Composite 1708479588648552257375077976084161963508112125563173068761247309703753292911964616674895238182849631...
Digit Length715
SNFS Possible No
GNFS Equivalent N/A
Priority4
Created2025-10-17 23:35:26.535655
Last Updated2025-12-12 16:09:36.106504
Status Active

T-Level Progress

Current T-Levelt51.06
Target T-Levelt85.0
Progress
60.1%

Work Summary

Total Attempts5
Total ECM Curves12,608
P-1 Attempts0
Factors Found1

Factors: 61911184773791

Factors with Elliptic Curve Group Order Data

Factor Sigma Group Order Group Order Factorization
61911184773791 4,017,069,897 61911188299168 2^5 * 13 * 23 * 101 * 7703 * 8317

Factorization Attempts by Method

ECM 12,608 curves
P-1 0 attempts
P+1 0 attempts
ECM Statistics:
Total Attempts: 5
Total Curves: 12,608
Factors Found: 1
B1 Range: 50,000 - 260,000,000
B1 B2 Param Curves Factor Found Client Submitted
260,000,000 400,000,000,000 3 3,072 None KyleAskine-PC_V2 2025-12-10 06:02
15,000,000 Default 0 320 None Oliver Kruse-ManualEntry 2025-10-27 12:11
110,000,000 Stage 1 only 3 3,072 None KyleAskine-PC_V2 2025-10-18 12:44
1,000,000 Stage 1 only 3 3,072 None KyleAskine-PC_V2 2025-10-18 00:11
50,000 Stage 1 only 3 3,072 61911184773791 KyleAskine-PC_V2 2025-10-17 23:39
P-1 Statistics:
Total Attempts: 0
Factors Found: 0

No P-1 attempts yet.

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

No P+1 attempts yet.