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Composite Details

ID: 19856 | 136 digits

4083535487211160422898521892941713376333826781220731426060990710355819383865678428174141104196232508499726096316424589343415649244243131

Composite Information

ID19856
Original Form(265376491971325261^11-1)/(265376491971325261-1)
Current Composite 4083535487211160422898521892941713376333826781220731426060990710355819383865678428174141104196232508...
Digit Length136
SNFS Possible Yes
GNFS Equivalent 127
Priority2
Created2025-10-01 13:35:59.448261
Last Updated2026-01-18 17:36:03.497001
Status Active

T-Level Progress

Current T-Levelt40.82
Target T-Levelt39.08
Progress
104.5%

Work Summary

Total Attempts7
Total ECM Curves6,492
P-1 Attempts1
Factors Found0

Factorization Attempts by Method

ECM 6,492 curves
P-1 1 attempts
P+1 1 attempts
ECM Statistics:
Total Attempts: 5
Total Curves: 6,492
Factors Found: 0
B1 Range: 11,000 - 3,000,000
B1 B2 Param Curves Factor Found Client Submitted
3,000,000 1,500,000,000 3 4,608 None beepthebee-beetop 2026-01-18 17:36
3,000,000 Stage 1 only SUPERSEDED 3 2,304 None KyleAskine-PC 2026-01-18 16:34
1,000,000 Default 1 1,030 None VGDominion-MacBookAir 2025-11-29 10:33
250,000 Default 1 498 None VGDominion-MacBookAir 2025-11-17 07:54
50,000 Default 1 250 None VGDominion-MacBookAir 2025-11-17 07:53
11,000 Default 1 106 None VGDominion-MacBookAir 2025-11-17 07:53
P-1 Statistics:
Total Attempts: 1
Total Curves: 1
Factors Found: 0
B1 Range: 11,000,000 - 11,000,000
B1 B2 Curves Factor Found Client Submitted
11,000,000 Default 1 None KyleAskine-PC_V2 2026-02-05 22:54
P+1 Statistics:
Total Attempts: 1
Total Curves: 3
Factors Found: 0
B1 Range: 11,000,000 - 11,000,000
B1 B2 Curves Factor Found Client Submitted
11,000,000 Default 3 None KyleAskine-PC_V2 2026-02-05 22:54