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Composite Details

ID: 20828 | 147 digits

707784541493451131599062636952423212384856845915147386595254637830501053516848601600399195123026333290847649701322051402912096859661792856344798331

Composite Information

ID20828
Original Form(11192718388449696900756475908918551402188080961^7-1)/(11192718388449696900756475908918551402188080961-1)
Current Composite 7077845414934511315990626369524232123848568459151473865952546378305010535168486016003991951230263332...
Digit Length147
SNFS Possible No
GNFS Equivalent 189
Priority3
Created2025-11-11 11:08:36.946779
Last Updated2026-01-12 17:35:19.317983
Status Complete

T-Level Progress

Current T-Levelt46.63
Target T-Levelt45.23
Progress
103.1%

Work Summary

Total Attempts7
Total ECM Curves14,854
P-1 Attempts1
Factors Found3

Factors: 4863335533209627208303297, 6961919322055054199903422615892549, 240227158474070101606699765734829303081

Factors with Elliptic Curve Group Order Data

Factor Sigma Group Order Group Order Factorization
4863335533209627208303297 4,048,831,181 4863335533208322115018752 2^13 * 3^2 * 7^2 * 12583 * 27751 * 32969 * 116933
6961919322055054199903422615892549 930,172,423 6961919322055054292144781492031128 2^3 * 3^4 * 643 * 1031 * 1789 * 25183 * 68071 * 1385399 * 3814429
240227158474070101606699765734829303081 930,173,179 240227158474070101597765666012162799700 2^2 * 3 * 5^2 * 2791 * 18457 * 39971 * 288907 * 345811 * 355099 * 10961969

Factorization Attempts by Method

ECM 14,854 curves
P-1 1 attempts
P+1 0 attempts
ECM Statistics:
Total Attempts: 6
Total Curves: 14,854
Factors Found: 2
B1 Range: 250,000 - 16,000,000
B1 B2 Param Curves Factor Found Client Submitted
13,000,000 Default 2 3,000 None WoodMan777-ManualEntry 2025-11-18 19:08
16,000,000 Default 1 2,560 None Oliver Kruse-ManualEntry 2025-11-18 18:09
8,000,000 Default 1 1,750 None Oliver Kruse-ManualEntry 2025-11-18 16:24
5,000,000 Default 1 1,400 None Oliver Kruse-ManualEntry 2025-11-18 16:23
11,000,000 Stage 1 only 3 3,072 696191932205505419990342261589... [+1 more] KyleAskine-PC_V2 2025-11-11 13:20
250,000 Stage 1 only 3 3,072 4863335533209627208303297 KyleAskine-PC_V2 2025-11-11 11:18
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 21:48
P+1 Statistics:
Total Attempts: 0
Factors Found: 0

No P+1 attempts yet.