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Composite Details

ID: 1979 | 99 digits

389160296340561582003315357265070276004599735726720942106309329164399091927720955959610255825665623

Composite Information

ID1979
Original Form(1786333665271^17-1)/(1786333665271-1)
Current Composite 389160296340561582003315357265070276004599735726720942106309329164399091927720955959610255825665623
Digit Length99
SNFS Possible No
GNFS Equivalent 171
Priority3
Created2025-10-01 12:57:40.888313
Last Updated2026-01-12 17:35:30.563019
Status Complete

T-Level Progress

Current T-Levelt45.35
Target T-Levelt30.46
Progress
148.9%

Work Summary

Total Attempts9
Total ECM Curves11,712
P-1 Attempts1
Factors Found1

Factors: 38299165472497886879556122025633539262451838278042943173

Factors with Elliptic Curve Group Order Data

Factor Sigma Group Order Group Order Factorization
38299165472497886879556122025633539262451838278042943173 3,655,526,366 38299165472497886879556122019680172343081057756780262976 2^6 * 3 * 11 * 131 * 3613 * 64871 * 713987 * 943231 * 2446051 * 5570959 * 25942603 * 2480779459

Factorization Attempts by Method

ECM 11,712 curves
P-1 1 attempts
P+1 0 attempts
ECM Statistics:
Total Attempts: 8
Total Curves: 11,712
Factors Found: 1
B1 Range: 11,000 - 30,000,000
B1 B2 Param Curves Factor Found Client Submitted
30,000,000 Default 1 758 38299165472497886879556122025633539262451838278042943173 KyleAskine-PC_V2 2025-12-07 12:15
11,000 Default 3 107 None KyleAskine-PC_V2 2025-12-07 05:35
11,000,000 Default 1 3,200 None Oliver Kruse-ManualEntry 2025-10-26 18:41
3,000,000 Default 1 2,730 None Oliver Kruse-ManualEntry 2025-10-25 16:53
11,000,000 Stage 1 only 3 3,072 None KyleAskine-PC_V2 2025-10-25 13:00
1,000,000 Default 1 1,071 None Oliver Kruse-ManualEntry 2025-10-24 17:25
250,000 Default 1 513 None Oliver Kruse-ManualEntry 2025-10-24 15:58
50,000 Default 1 261 None Oliver Kruse-ManualEntry 2025-10-24 15:51
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 2025-11-16 13:28
P+1 Statistics:
Total Attempts: 0
Factors Found: 0

No P+1 attempts yet.