Top P-1 factors of Mersenne numbers

Top P-1 factors of all time for spica

Top factors for all users
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#UserExponentFactorBits*Date
1spica5616924726680892323231326635906377.8202011-12-05 03:13:00
2spica459702311004377457933022739856973.0892009-07-05 08:57:00
3spica39785573710891351509625309075372.5902009-07-01 20:04:00
4spica55777801275978720130561550000971.2252012-02-14 12:55:00
5spica51993523163603394929207824145770.4712011-07-16 11:39:00