# c160 in 11^275-1 (re-factored)

### Polynomial

The polynomial was generated by CADO-NFS, using Thorsten Kleinjung 's 2006 algorithm (Math. Comp. 75, 2006).

n: 9370548739750343689742077059611741296688413458087068

0273383289236035851479356981431058765735101578641182122

97131774808193943011745511363829026508600700379919701

c5: 5099544240

c4: 178595201631410

c3: -671032682967653816401

c2: -2900083447300406205595267

c1: 1178975745265880341420426631713

c0: -1554316921015538237659200113579695

Y1: 6648940214250301

Y0: -1129397265836395893493025049144

# lognorm: 50.57, alpha: -6.36 E=44.21

### Sieving

Lattice sieve was done in lasieve. 160426246 raw relations (much more than needed) were generated.
rlim: 20000000

alim: 40000000

lpbr: 30

lpba: 30

mfbr: 60

mfba: 90

rlambda: 2.2

alambda: 3.2

### Filtering and linear algebra

Filtering and linear algebra was done in CADO-NFS. Linear algebra was done on a cluster of 4 cores on 16 nodes. The matrix had size 7M x 7M and the calendar time was approximated 4 days.
931084679774419841402323884878358835892768665158019684562289483001

10064120850984906837317344166720080184491853628765042230486282614946325739601859787057164336701

### Comments

1. The number was first done by Edwards using gnfs in January.