Tuesday, 25 December 2007

P2007

To celebrate Christmas 2007, for the past few days I have been factorizing P2007.
Here are the results:
ibu:~/math james$ time java superfac9
f2^2007+1

[14696072899510457910180264975074329395485666586735298566113827031369808145822340017365241424851280254956108347379039523500123122699047108242251921358933160773008638610599971840088163730974725743542902654728126239332046779346737710585256579333179693308275839559444787047544912589519783891140629020412202583212053620350010688717104574055412999539319651392054912347738448106306817040926244005345442289064602444671410741520258787821875717396461207456197233847539467765831034596299478021012490490523728714592688694474716929987628644661687302977141155300336976022455747686505323874664699578081559660947075760129]
wanless...
brutep: 3
wanless...
brutep: 3
wanless...
brutep: 3
brute...
brutep: 19
wanless...
ecm...
aprtcle: 247531
ecm...
aprtcle: 219256122131
wanless...
aprtcle: 20493495920905043950407650450918171260318303154708405513
ecm...
aprtcle: 4340301546362831119363
aprtcle:
56377694445208154141927654613855613062927113955212040908548454699046039020893338370875013074480485757794923
ecm...
aprtcle: 73215361
ecm... ^C
real 3459m6.204s
user 3424m7.740s
sys 5m57.800s

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