Factor Info

ID 128717
Size 697 digits / 2314 bits
Status composite
Value 2315715986234370693850035635344197418760112841586497441857020107795378022817578101186711999276661725832011607652499494399069444618571764073064327567496589301361775486186383337098670063397201614752560131524140790638500201827338054422059448467052734640848473989487462628281669396320429109652614067443043907074301456235873072952939931268357575773342263668740065907053767383992355599880724101539952085864664209680842205237444162682287346321256170758406080802815765997901690148083705326772351362412101172945795878647185392319893285052120478148176228357317760870354963891506105257365370167981752226633247805876403184247883952529363206359908148345960387494964458975397380957582139824748407243297847874541

Factorizations

Primary (ID: 265) 857530162443103645092016365167333548053095312130794224202009189528601953890493642138861 (proven prime)
(ID: 128718) 2700448436282282218255456169118415110954960888553158815219681520086711823385622815403764190399635708274449955115033106836165337489395218513657439482789445642295915283810609228874863448693353192527596176886792341360125247503650444926736807515983845641572284613797361569145186014633913833529328965449089461605557588106076899012533806031404057060478701166314326489557832833913632751936617809722832738298552273308894561560543914835255587650093437830638995324036387733287130504522073827644606039958125730247690773738783697957853622388820580209167226716625865759995840996370924749764166026185152627914303160973658881 (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.