2LM

2^2950+1 M

Open composite · C334 · component M

NFS Planning

GNFS Murphy estimate: 9.48e-23
SNFS Murphy score: 2.53e-17
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 8
SNFS skew: 0.75874

Identifiers

Target expression: 2^1475+1+2^738
Target value: 1045306387854636870253908275374199688241601463566149140121811569475858326273063486923488404947071351458226156437261030596473650602742134325330586401164671803947983875433477677836620888459189622000953024159077961130480630943580345300131463218114393045279927772388730358195484229071632222655719577709879230623063578787829288345139275342772924630885692492492874064922534246506658310508486072251798793686806119362800731053051439146459888338717376513
Target link: FactorDB page
Target ID: 1100000000000200734
Target changed: -
Parent query: 2^2950+1
Parent ID: -
Cofactor token: C334
Imported: Jun 03, 2026, 04:30 PM UTC

Raw pmain126 Factorization

(10M,50L,118M,590L) 82601.116195066101. C334

SNFS Polynomial

Polynomial

Degree: 8
Murphy: 2.53e-17
Skew: 0.75874
Selected: Best

n: 2091037806810329584307260794799394092407495881133216181377324204124225271645268608731413034584448065530564831288683802808015441899253012811539686931043117136929674045213624061881017268766014769780650500778014052697265850403386365068548976318245028691391741914690671595551670379040263383632411530896395553567896693250289315412622907101
# 2^2950+1 Aurifeuillian M, difficulty: 355.22, skewness: 0.71
# cost: 1.11189e+22, est. time: 5294698.67 GHz days (not accurate yet!)
# Optimized skew: 0.75874 Murphy: 2.53e-17
skew: 0.75874
c8: 16
c7: 16
c6: 8
c4: -4
c2: 2
c1: 2
c0: 1
Y1: -1
Y0: 178405961588244985132285746181186892047843328
type: snfs