Composite Details

ID: 20861 | 684 digits

392007752492668616889620709365346252743931746998635058627664842493282006952723523748088732059231370539727863347155349740512839930091004410213613287518498277197549186036191411127818545001259430715712689778175287748622681253875055857425555863996181952343914453453870011631162119272329056238819143689065192650133249988068938053258670082054596789654750653272239292673127538767339183961994520150908448389873326699968739966576901127442255477298356195708139646205944320213904321230746997013906732708982260760707151193889472951194537688300376294257449840065084104707549545674460164204794080467659751598653967822176066541531375645994778644896355614682009080322816627897621163081200688223105231

Composite Information

ID	20861
Original Form	(40402317516052623793645720613100378711557111670702136065153157^13-1)/(40402317516052623793645720613100378711557111670702136065153157-1)
Current Composite	3920077524926686168896207093653462527439317469986350586276648424932820069527235237480887320592313705...
Digit Length	684
SNFS Possible	No
GNFS Equivalent	N/A
Priority	3
Created	2025-11-24 16:28:22.063936
Last Updated	2025-12-12 16:10:16.522615
Status	Active

T-Level Progress

Current T-Level	t27.91
Target T-Level	t85.0
Progress	32.8%

Work Summary

Total Attempts	1
Total ECM Curves	2,560
P-1 Attempts	0
Factors Found	2

Factors: 1190468261309548399230313, 563270988210568617911513843

Factors with Elliptic Curve Group Order Data

Factor	Sigma	Group Order	Group Order Factorization
1190468261309548399230313	239,696,585	1190468261308603041382720	2^6 * 5 * 101 * 29573 * 74797 * 98801 * 168541
563270988210568617911513843	239,698,531	563270988210530236690956696	2^3 * 3^2 * 71 * 281 * 3061 * 4057 * 8419 * 33359 * 112429

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	1190468261309548399230313... [+1 more]	KyleAskine-Google-Colab	2025-11-24 16:56

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.