10^406+1

Open composite · C273

NFS Planning

GNFS Murphy estimate: 3.27e-19
SNFS Murphy score: 4.74e-17
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 6
SNFS skew: 1.41560

Identifiers

Target expression: 10^406+1
Target link: FactorDB page
Target ID: 1000000000008550430
Target changed: -
Parent query: Same as target
Parent ID: -
Cofactor token: C273
Imported: Jun 03, 2026, 04:32 PM UTC

Raw pmain126 Factorization

(2,14,58) 29*.11369.68209.512592628798218592009.396096831570425720680992129087061.C273

SNFS Polynomial

Polynomial

Degree: 6
Murphy: 4.74e-17
Skew: 1.41560
Selected: Best

n: 221200295018423560789015491869782611822703116563762813624966371038765423072829463982917690268462918328260953689978584922620148596026033633928275415057272600915577833283748109008598525438101636745099649356249075125481753616619875550342080983595929069395337222328532893796261
# 10^406+1, difficulty: 348.00, skewness: 1.00
# cost: 7.09705e+21, est. time: 3379548.27 GHz days (not accurate yet!)
# Optimized skew: 1.41560 Murphy: 4.74e-17
skew: 1.41560
c6: 1
c5: -1
c4: 1
c3: -1
c2: 1
c1: -1
c0: 1
Y1: -1
Y0: 10000000000000000000000000000000000000000000000000000000000
type: snfs