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Composite Details

ID: 42 | 244 digits

1606236507274648146995672106113812879758179909383362330543705790532564330071083303373245229647022099236558754644095550558537419746320198896798182537391149616492356511999964288920012381084180022462384896421161400233520938923668718660534970387899

Composite Information

ID42
Original Form(4906367505281132102931413442501036046943739298915568402671^7-1)/(4906367505281132102931413442501036046943739298915568402671-1)
Current Composite 1606236507274648146995672106113812879758179909383362330543705790532564330071083303373245229647022099...
Digit Length244
SNFS Possible Yes
GNFS Equivalent 235
Priority4
Created2025-10-01 12:53:28.291556
Last Updated2026-01-12 17:28:36.906195
Status Active

T-Level Progress

Current T-Levelt53.97
Target T-Levelt72.31
Progress
74.6%

Work Summary

Total Attempts7
Total ECM Curves27,735
P-1 Attempts0
Factors Found1

Factors: 18834100055129767419415236804404275644028823

Factors with Elliptic Curve Group Order Data

Factor Sigma Group Order Group Order Factorization
18834100055129767419415236804404275644028823 2,273,723,134 18834100055129767419410844609442552934075900 2^2 * 5^2 * 11 * 317 * 1087 * 27529 * 27697 * 51169 * 3812531 * 16363253 * 20415041

Factorization Attempts by Method

ECM 27,735 curves
P-1 0 attempts
P+1 0 attempts
ECM Statistics:
Total Attempts: 7
Total Curves: 27,735
Factors Found: 1
B1 Range: 11,000,000 - 260,000,000
B1 B2 Param Curves Factor Found Client Submitted
110,000,000 Default 2 8,048 None WoodMan777-ManualEntry 2025-11-29 01:15
11,000,000 Default 2 4,480 None WoodMan777-ManualEntry 2025-11-28 15:43
43,000,000 Default 2 3,687 None WoodMan777-ManualEntry 2025-11-25 16:17
260,000,000 26,000,000,000 3 2,304 None KyleAskine-PC 2025-11-25 00:33
260,000,000 Stage 1 only SUPERSEDED 3 2,304 None KyleAskine-PC 2025-11-24 14:46
260,000,000 Stage 1 only 3 3,072 18834100055129767419415236804404275644028823 KyleAskine-PC_V2 2025-11-18 12:07
110,000,000 Stage 1 only 3 3,072 None KyleAskine-PC_V2 2025-10-11 15:57
11,000,000 Stage 1 only 3 3,072 None KyleAskine-PC_V2 2025-10-09 19:46
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.