2LM

2^2966+1 L

Open composite · C310 · component L

NFS Planning

GNFS Murphy estimate: 2.34e-21
SNFS Murphy score: 8.31e-20
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 8
SNFS skew: 0.74509

Identifiers

Target expression: 2^1483+1-2^742
Target value: 267598435290787038785000518495795120189849974672934179871183761785819731525904252652413031666450265973305896047938823832697254554301986387284630118698155981810683872110970285526174947445552543232243974184723958049403041521163284916888113382342163925790876214969752020517945870244828562500202018302307135148612650436204587518200534146996846206050974463348487523689904477790658464924194047612211513368395333613253123064659823511033319377857941602305
Target link: FactorDB page
Target ID: 1100000000002502343
Target changed: -
Parent query: 2^2966+1
Parent ID: -
Cofactor token: C310
Imported: Jun 03, 2026, 04:30 PM UTC

Raw pmain126 Factorization

(2) 26071141.4279474271833.52050867956392800221.23185195509248765875842619250621.120449620756028801870589042637587482529357223991330536998020068789.C310

SNFS Polynomial

Polynomial

Degree: 8
Murphy: 8.31e-20
Skew: 0.74509
Selected: Best

n: 3300037932825252274053872639302449421156117419663157801136511938471049841652791519595909925291869574862430540515917740958779643988286607659677535865612311204585047260347067911294592380830454004127083274389227960795630936771537516858133119590791296201387109630965473422915713866346886677398604319988095102651013
# 2^2966+1 Aurifeuillian L, difficulty: 446.43, skewness: 0.77
# cost: 2.13175e+24, est. time: 1015121107.05 GHz days (not accurate yet!)
# Optimized skew: 0.74509 Murphy: 8.31e-20
skew: 0.74509
c8: 8
c4: -4
c0: 1
Y1: -1
Y0: 49039857307708443467467104868809893875799651909875269632
type: snfs