Factor Info

ID 171138
Size 906 digits / 3008 bits
Status composite
Value 257174215636921453111392237305061128701310934962922096462532816642550069391443868172016705565851766218486011963601234374503914044596782138785119812147833570166907566959987428455149094993805977495295738651192803107318634005827882408090209059630215115370891559032653500800878424575467083747371380135243941691564835888613808806574346048859545797010334758237372382273881901178696433860750596236213427481579915684147673337509946137017803811180815505247599845440079800613625543966106129630654439211215547936692763969710952819063808705030257381922767436521992635467782548240715472014097617777462133628163440535199662797561209011155837905571501031589185132170199042686904407450576488250014398225966773018887495262118036883237299199403625529946999860332223768242100832610717454440843452790892894231991852047591806938424258591350090323763654193759625513741868253612692237914302789422848254228032501499988278038267573

Factorizations

Primary (ID: 169577) 567824339553055499078449689237387185186257286551690947477369394576296193830962947 (proven prime)
(ID: 171139) 452911574448090391325401048132982089397769385859010897575331682032872813903510394895962574150189600768975063119136104749253846289752769363816836964659444126706782315543706076273010044824551353356331512224988961368777150765311238999748353868785162172464955432294776672583022547427635918689421047484177885555786346863905892538823987338523477355324352133157471780784039323036632184879248502892185841541002823039574987916269408911393527458493028359040508551555466266814739432136944681032828581968963293440054516464376557913801899513827428946982418027386102062383847742235474405561240972674952830178115361381828600173355920193441099244706938049036497586138828281201229308460966086234401569375481458223704637992836602337886845139663980448939763457401484734062294380543999553640623019306888438977366364151925111558648185912531997159 (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.