5+
5^524+1
Open composite · C358
NFS Planning
- GNFS Murphy estimate
- 3.84e-24
- SNFS Murphy score
- 2.80e-17
- Preferred method
- SNFS
- SNFS possible
- Yes
- SNFS degree
- 7
- SNFS skew
- 1.59004
Identifiers
- Target expression
- 5^524+1
- Target link
- FactorDB page
- Target ID
- 1000000000016637157
- Target changed
- -
- Parent query
- Same as target
- Parent ID
- -
- Cofactor token
- C358
- Imported
- Jun 03, 2026, 04:31 PM UTC
Raw pmain126 Factorization
(4) 386713. C358
SNFS Polynomial
n: 7521754716274160713187885805078612680082179810871012260389510140834557946375292161095446470992307353624685100999114857798504869942735619594624268232858978962898016895494054939026737494554245099931925228625242302128521889052004553905545500972368629293884055009068669199717949158422551380185894543914896042493975055524712822760459353323166205948976052105178777 # 5^524+1, difficulty: 366.96, skewness: 1.26 # cost: 2.28237e+22, est. time: 10868429.81 GHz days (not accurate yet!) # Optimized skew: 1.59004 Murphy: 2.80e-17 skew: 1.59004 c7: 1 c0: 5 Y1: -1 Y0: 26469779601696885595885078146238811314105987548828125 type: snfs