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Composite Details

ID: 20855 | 373 digits

5345654626350160242764240704625667635881468460750751472490318387516963906451868341750831155745243575104684106470318948753757377359119079152199114282156888178318791055955212924919751530826370232368401682256107161620189480434906255223461863609542521035590381259474610998429876539811760548806085897928986726274512565675945890083986395858207621178507540850818953120624423832087

Composite Information

ID20855
Original Form(287536868400375640671704395135348732253013271380765874758331723883556121^7-1)/(287536868400375640671704395135348732253013271380765874758331723883556121-1)
Current Composite 5345654626350160242764240704625667635881468460750751472490318387516963906451868341750831155745243575...
Digit Length373
SNFS Possible Yes
GNFS Equivalent 293
Priority3
Created2025-11-24 16:28:13.074929
Last Updated2025-12-12 16:11:13.677569
Status Active

T-Level Progress

Current T-Levelt27.91
Target T-Levelt85.0
Progress
32.8%

Work Summary

Total Attempts1
Total ECM Curves2,560
P-1 Attempts0
Factors Found3

Factors: 8855685386381, 17191499578163, 48997582184702695983601

Factors with Elliptic Curve Group Order Data

Factor Sigma Group Order Group Order Factorization
8855685386381 3,635,781,946 8855684805040 2^4 * 5 * 113 * 18341 * 53411
17191499578163 3,635,781,937 17191505209536 2^6 * 3^4 * 7 * 18047 * 26251
48997582184702695983601 3,635,783,085 48997582184504034212868 2^2 * 3^4 * 11 * 397 * 653 * 6473 * 55787 * 146857

Factorization Attempts by Method

ECM 2,560 curves
P-1 0 attempts
P+1 0 attempts
ECM Statistics:
Total Attempts: 1
Total Curves: 2,560
Factors Found: 1
B1 Range: 250,000 - 250,000
B1 B2 Param Curves Factor Found Client Submitted
250,000 Stage 1 only 3 2,560 8855685386381... [+2 more] KyleAskine-Google-Colab 2025-11-24 16:47
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.