Factor Info

ID 177643
Size 747 digits / 2480 bits
Status composite
Value 258826183457085663889825936989957004886541332395263773765091576695095323816786956737218050764514038694992311755653184021441814222625827343390517427099501912698795757311482881667232044008397088544448443245071436424514940068777097542264213981933677454201124396490175359885696204221334985689970793058849239055843947138997116567534046755136978244212825459173383596065055355918866456413659350455404483387588485510143569422864133831621270621067867261223257374240533535244968707226303836678302095504470554421858329429117332869460451978837917640907128364969133151813711680698218833127800724197814599601319245723528103523979579726763365130303188988679925118714737270888479239880929339134144974847602256814056918638857540590095457361302732611499620250555119

Factorizations

Primary (ID: 29457) 241881732025657819145103362017436952827107 (proven prime)
(ID: 177644) 1070052629810135670098539055773233891814280454201715789216831988414076446126635299414324900192697322628389282361093661267292974880547337680368871002447629269401134892458000571624502913774409264132998161543313183124914769114674582896469403623093944336126567099143081954436603700861179611013736228636954690239502118665146763026919749596525469380755685690346408198997027881631143359646648173969821191920305297267090597220879587268325553644477118399535545825474085899670032986977324768446148501546749202225494002989299489057351981187050411436943325848413560980002579782989165568805280377379823007000881296547407522661366435329099197704709927495465592663928208186720760287766514652187993699368667453615049814917 (composite)

Primary factorization keeps track of the smallest (known) prime factor. Secondary factorizations are old results kept when a new smaller prime factor is found, which occasionally happens with ECM.