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Composite Details

ID: 20802 | 109 digits

2805506475782138705089320824042536099930797178381445872884331625013077819765981161950193204487785263264944581

Composite Information

ID20802
Original Form(16103246303097923850188136237122294027264321565571^5-1)/(16103246303097923850188136237122294027264321565571-1)
Current Composite 2805506475782138705089320824042536099930797178381445872884331625013077819765981161950193204487785263...
Digit Length109
SNFS Possible No
GNFS Equivalent 153
Priority3
Created2025-10-23 12:22:58.167774
Last Updated2026-01-12 17:33:40.240338
Status Complete

T-Level Progress

Current T-Levelt42.68
Target T-Levelt33.54
Progress
127.2%

Work Summary

Total Attempts4
Total ECM Curves7,644
P-1 Attempts1
Factors Found1

Factors: 153605112273668120544130437408071641

Factors with Elliptic Curve Group Order Data

Factor Sigma Group Order Group Order Factorization
153605112273668120544130437408071641 953,781,860 153605112273668120023556947935014464 2^6 * 7 * 29 * 647 * 2551 * 287611 * 311881 * 7809751 * 10225471

Factorization Attempts by Method

ECM 7,644 curves
P-1 1 attempts
P+1 0 attempts
ECM Statistics:
Total Attempts: 3
Total Curves: 7,644
Factors Found: 1
B1 Range: 1,000,000 - 15,000,000
B1 B2 Param Curves Factor Found Client Submitted
15,000,000 Default 1 1,500 None Oliver Kruse-ManualEntry 2025-11-17 22:10
11,000,000 Stage 1 only 3 3,072 153605112273668120544130437408071641 KyleAskine-PC_V2 2025-10-23 13:37
1,000,000 Stage 1 only 3 3,072 None KyleAskine-PC_V2 2025-10-23 12:36
P-1 Statistics:
Total Attempts: 1
Factors Found: 0
B1 Range: 2,900,000,000 - 2,900,000,000
B1 B2 Factor Found Client Submitted
2,900,000,000 1,000,000,000,000,000 None KyleAskine-PC_V2 2025-11-15 18:43
P+1 Statistics:
Total Attempts: 0
Factors Found: 0

No P+1 attempts yet.