Factor Info

ID 128749
Size 668 digits / 2217 bits
Status composite
Value 15756613259068785721350960361933811138248567860897189905188893541017174679584460641316201237093665461873446986864415829632816671547949044650473261654136404182914563463806484659724682676196705838841854168629991294104290610595806298671134405941127390338777151556394518849973849528249584213155615403431169617531245501258456587276385285089966111442924468093936493986397065646858627821409885047750710829634478820240994776143377505453222856917340078658132524475688596299797801640279536422167335061619062885980639196308767473934910036620030496210307455645356854644915670974849488552128914544620625676985020999428587263373362917269529464879538267923920218402926076713476174341

Factorizations

Primary (ID: 164) 1059009573400125529504166094598642626708730201 (proven prime)
(ID: 128750) 14878631558050576178208521061479443351790005194953922401333263506986499159769822465636967510652958437704390038162026503088057907880125990625474164611287950043972689018122644942780816443949129518181539291396757479396098891897572471747730034797012132893677275068394666544293348218755090097031117510451971162766116304379955550755796218309098426392377125768853069628667837527977775864916204383567396058356939042530891021540019276548715494302757534445128044331945849813328670838319480069082277277049453248312656111331336766100018636806838255036059947126944960553238090008145257910589762822183196493008334016197372924655462016141 (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.