2LM

2^2354+1 M

Open composite · C271 · component M

Target FactorDB

NFS Planning

GNFS Murphy estimate
4.27e-19
SNFS Murphy score
2.74e-17
Preferred method
SNFS
SNFS possible
Yes
SNFS degree
6
SNFS skew
1.23435

Identifiers

Target expression
2^1177+1+2^589
Target value
2052602703140467478998586856848315654227724641018949737755446054506390177159517481255231444506173869763180127028460691903660884772636492374538375125256623905260503705937384472000798739467882117159907089117614689148174842004240225643190716050678596556220347350048140770340194193027873030228272534009067823095425766039773941303820408757629575145560037392385
Target link
FactorDB page
Target ID
1100000000004155553
Target changed
-
Parent query
2^2354+1
Parent ID
-
Cofactor token
C271
Imported
Jun 03, 2026, 04:30 PM UTC

Raw pmain126 Factorization

(2,22L,214L) 409597.5134243489.2696763541312061983157421198040561. C271

SNFS Polynomial

Degree
6
Murphy
2.74e-17
Skew
1.23435
Selected
Best
n: 5618608313315511751899218794886834868853764586441956992016177988247324759675952849494549767265823976177332875410047577820063715197493464679147956907965188822237624982126321328944165461621527766653500567866992296006813808578716872228138660965619485989018587387996039407833
# 2^2354+1 Aurifeuillian M, difficulty: 354.31, skewness: 0.89
# cost: 1.05145e+22, est. time: 5006891.13 GHz days (not accurate yet!)
# Optimized skew: 1.23435 Murphy: 2.74e-17
skew: 1.23435
c6: 2
c3: 2
c0: 1
Y1: -1
Y0: 100433627766186892221372630771322662657637687111424552206336
type: snfs