Factor Info

ID 153572
Size 816 digits / 2711 bits
Status composite
Value 721292487803634880436457700027077805437479028297032242014763777008746624078922204820980927375399785483001723402177347395833565869629164939979755759970612331719195672193635226299267504230183907647765710095649045933679050254927712177776037878811170439116553635535401887216764388423338677893264282879961715485234710848220846583513026572756889376806584606938800337790394274179946479763558787870019366470544887460851597136048563649563263771499813593242947955437731198047078177521417619685881029653220047788442160500268740225017962138876717436387608276535362827284704764125176834198179939728299937653948548429988839435443595105071563678997777938024452239283222873095828872237236926511295537933548226048378083975846537219218730473586010239072022122959751121611027165852090100166876667325621281583203041631523158094464386613

Factorizations

Primary (ID: 186546) 924506815976266318184656899559875796114154824935727027 (proven prime)
(ID: 187646) 780191638762511514621259701734868707579486407346782708853160732564298826863669568152643557461621962349579705248605935092037160681905964200451545865118592227736134345601636801593911148332560424691050080896100954478973496898106821957311042597675320218848126933002678961035388546033592966080072464948913887421428056958378279876991799567544778821887898347125519614055938369718895479114274615492112210256064566846234513683573659217030520349226177941849106633984037159141493300351162749019834879583554572881349962912499643557870405247742840014121193047432932273876032612921559103740534514691230326220292944876932299421729231158182696594683698967458123253256109942475422495943338432127515593188492894219552143768808097162775944850142834719635613145397540129331703795319 (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.