10^427+1

Open composite · C288

NFS Planning

GNFS Murphy estimate: 4.41e-20
SNFS Murphy score: 9.14e-18
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 6
SNFS skew: 1.42418

Identifiers

Target expression: 10^427+1
Target link: FactorDB page
Target ID: 1000000000008550451
Target changed: -
Parent query: Same as target
Parent ID: -
Cofactor token: C288
Imported: Jun 03, 2026, 04:32 PM UTC

Raw pmain126 Factorization

(1,7,61) 55405813.231360835259.280864846266479724963196714881918703837192646197734463.C288

SNFS Polynomial

Polynomial

Degree: 6
Murphy: 9.14e-18
Skew: 1.42418
Selected: Best

n: 305527341465435803540757381387532183169927547782668409210751528034781873425596807061023165841308844658745984666635590895927722762632050326782608339027412277842615856374901193903628097157237855282131569398743383709116411466451038715607569896005343352385523987545215059443488440384035520691
# 10^427+1, difficulty: 366.00, skewness: 1.00
# cost: 2.15329e+22, est. time: 10253762.34 GHz days (not accurate yet!)
# Optimized skew: 1.42418 Murphy: 9.14e-18
skew: 1.42418
c6: 1
c5: -1
c4: 1
c3: -1
c2: 1
c1: -1
c0: 1
Y1: -1
Y0: 10000000000000000000000000000000000000000000000000000000000000
type: snfs