12^376+1

Open composite · C247

NFS Planning

GNFS Murphy estimate: 1.05e-17
SNFS Murphy score: 1.29e-18
Preferred method: GNFS
SNFS possible: Yes
SNFS degree: 7
SNFS skew: 1.29479

Identifiers

Target expression: 12^376+1
Target link: FactorDB page
Target ID: 1100000000009444217
Target changed: -
Parent query: Same as target
Parent ID: -
Cofactor token: C247
Imported: Jun 03, 2026, 04:32 PM UTC

Raw pmain126 Factorization

(8) 22090752546937482879935788420077889.808566690109226528012308687604480124176543188092410462321.553150145685491780606579017501973820907497617410759749078049. C247

SNFS Polynomial

Polynomial

Degree: 7
Murphy: 1.29e-18
Skew: 1.29479
Selected: Best

n: 1392929565192007694843615871728315980799212147054414415889313916574840333846794560203751178557204392595072608403024319250120215831151890811832356277479846780691773173759744290372317036306061879430790699405255003296036234429320536390079557830578481
# 12^376+1, difficulty: 406.73, skewness: 1.02
# cost: 2.36274e+23, est. time: 112511440.06 GHz days (not accurate yet!)
# Optimized skew: 1.29479 Murphy: 1.29e-18
skew: 1.29479
c7: 8
c0: 9
Y1: -1
Y0: 9435334273922228884986040413475172765684471819056428613632
type: snfs