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Composite Details

ID: 20787 | 327 digits

139614855580222633131840200128904218970194322284793914826548353969752124930751885614770902707256436138986483878329438383829964755006368908883003562613622986446553786595285230954715342375885375976537375908432380613482024105490987777639567779009096768592626556797206988869597070501932032369677539490105531338843949310916749089751

Composite Information

ID20787
Original Form(58884498068357680370679924578669993676995567180611375170325616282010948394434850987411^5-1)/(58884498068357680370679924578669993676995567180611375170325616282010948394434850987411-1)
Current Composite 1396148555802226331318402001289042189701943222847939148265483539697521249307518856147709027072564361...
Digit Length327
SNFS Possible Yes
GNFS Equivalent 305
Priority3
Created2025-10-17 23:35:36.240211
Last Updated2025-12-12 16:11:34.632041
Status Active

T-Level Progress

Current T-Levelt35.38
Target T-Levelt85.0
Progress
41.6%

Work Summary

Total Attempts6
Total ECM Curves8,028
P-1 Attempts0
Factors Found1

Factors: 1565703740085161

Factors with Elliptic Curve Group Order Data

Factor Sigma Group Order Group Order Factorization
1565703740085161 1,788,709,972 1565703720497080 2^3 * 5 * 41 * 457 * 773 * 1279 * 2113

Factorization Attempts by Method

ECM 8,028 curves
P-1 0 attempts
P+1 0 attempts
ECM Statistics:
Total Attempts: 6
Total Curves: 8,028
Factors Found: 1
B1 Range: 11,000 - 1,000,000
B1 B2 Param Curves Factor Found Client Submitted
999,999 Default 1 1,030 None happy5214-Focus 2025-11-01 12:51
249,999 Default 1 498 None happy5214-Focus 2025-11-01 12:00
50,000 Default 1 250 None happy5214-Focus 2025-11-01 11:54
11,000 Default 1 106 None happy5214-Focus 2025-11-01 11:53
1,000,000 Stage 1 only 3 3,072 None KyleAskine-PC_V2 2025-10-17 23:54
50,000 Stage 1 only 3 3,072 1565703740085161 KyleAskine-PC_V2 2025-10-17 23:37
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.