← Back to Dashboard

Composite Details

ID: 20852 | 223 digits

1807096611853543158593011712717913918498492460855148857453750308105651629751520823533498770079855529231010376849035916679694215917016581243847927829738013829722590110705564795200929832648373500703683565468534313568027927541

Composite Information

ID20852
Original Form(287536868400375640671704395135348732253013271380765874758331723883556121^5-1)/(287536868400375640671704395135348732253013271380765874758331723883556121-1)
Current Composite 1807096611853543158593011712717913918498492460855148857453750308105651629751520823533498770079855529...
Digit Length223
SNFS Possible Yes
GNFS Equivalent 242
Priority3
Created2025-11-24 16:28:06.958206
Last Updated2026-01-05 15:20:42.347542
Status Active

T-Level Progress

Current T-Levelt40.16
Target T-Levelt68.62
Progress
58.5%

Work Summary

Total Attempts2
Total ECM Curves3,872
P-1 Attempts0
Factors Found2

Factors: 3700319207293692821, 268657476521926951886197589359327745713121

Factors with Elliptic Curve Group Order Data

Factor Sigma Group Order Group Order Factorization
3700319207293692821 4,191,915,050 3700319206125576432 2^4 * 3 * 41 * 83 * 599 * 1187 * 1637 * 19463

Factorization Attempts by Method

ECM 3,872 curves
P-1 0 attempts
P+1 0 attempts
ECM Statistics:
Total Attempts: 2
Total Curves: 3,872
Factors Found: 2
B1 Range: 250,000 - 11,000,000
B1 B2 Param Curves Factor Found Client Submitted
11,000,000 1,100,000,000 3 1,312 268657476521926951886197589359327745713121 KyleAskine-PC 2025-11-25 03:15
11,000,000 Stage 1 only SUPERSEDED 3 2,560 None KyleAskine-Google-Colab 2025-11-24 18:18
250,000 Stage 1 only 3 2,560 3700319207293692821 KyleAskine-Google-Colab 2025-11-24 16:37
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.