2LM

2^2926+1 M

Open composite · C245 · component M

Target FactorDB

NFS Planning

GNFS Murphy estimate
1.38e-17
SNFS Murphy score
3.52e-18
Preferred method
GNFS
SNFS possible
Yes
SNFS degree
6
SNFS skew
2.03549

Identifiers

Target expression
2^1463+1+2^732
Target value
255201754847323454651833075042529220762109732315954379912551652704066974187759640362179786364031091664605995223940681297967199854185091388020162695596843702135738250838251386190581271596481841308826421913837392854121247811199155164117120800709191371931739290197754428437492398744981666153020451621264170797591009377433610995708209193218144105183290087467346794815583659360740214731505077909738764374420471115099053054338092406188110306607105
Target link
FactorDB page
Target ID
1100000000000329493
Target changed
-
Parent query
2^2926+1
Parent ID
-
Cofactor token
C245
Imported
Jun 03, 2026, 04:30 PM UTC

Raw pmain126 Factorization

(2,14M,22L,38L,154L,266L,418M) 45453729772647704509.70408009185675735739778537.20327201539273422028290745399275721.C245

SNFS Polynomial

Degree
6
Murphy
3.52e-18
Skew
2.03549
Selected
Best
n: 87282361005331251575453569080588858222036898750915230348003670268153662510080289481564538568704806119330789743749758497229056334066423726238650086453362161967974879921996242471945848877046088286745541205025952592961962160642927936148135269921457
# 2^2926+1 Aurifeuillian M, difficulty: 377.49, skewness: 1.41
# cost: 4.29948e+22, est. time: 20473702.92 GHz days (not accurate yet!)
# Optimized skew: 2.03549 Murphy: 3.52e-18
skew: 2.03549
c6: 1
c5: -2
c4: -10
c3: 20
c2: 16
c1: -32
c0: 8
Y1: -20282409603651670423947251286016
Y0: 822752278660603021077484591278675252491367932816789931674304513
type: snfs