Factor Info

ID 165287
Size 945 digits / 3137 bits
Status composite
Value 156046881478133790299603020242986210902948804219052373676172758719027824379170889350114659959039740670429897733813423455327435602295937477880798754598916385544932084664230449865349336383687609669711518507994445130498428496620688589906785403659322000712700980335994955327518504752010390319998141693716591371781024655627055217750769910973033693016059389003644581395541339474401161217066424383836918738812598775454914225322272871000906907953115373754710006332646658084193249227992050304070902679255957954258963456447868441435385112478030171428048387333946598718066374986401732399239456906973519947544539549729965380191691606592175384781356576946811294780882417536162914400352152357432204846071573101271597847970626574514290140104319321848979052708029870540151406821417985244913234777071000588865125497914699564318814171124399769432753476334418560613090425014193760125764735881621124842011236146201424222518056571561908399905979157803617521234477783

Factorizations

Primary (ID: 163611) 551596578764505702278141 (proven prime)
(ID: 165288) 282900379526746877270791873180951319480222229177019699153467083880916008040669577979548416094962539981444349062889343320203236188792757108568101254628457223920418147427967294630211939831168330606577173654735919201378108087998209800477275411411730250345185198113653525171743513820860287457477179471313369745695644763187549842431973954245306716090910248912937763749359681440941360153892265703805387385834341317366823852735712369849257384166842037282023260499077429454897664306659529002975658300635984293221033475122021326374024733154836838931857118566944352774794911360097363690907842523812517102343229581457467788550232435901788400750266497522782224062431834826770810942222401122993055459331544340110086130695146092048769494962928417002658060712588686755012568174160917059528121102635605808090177270456654783300514691125399785294948089294609751679122917775258867153304293965237774545467825749665207911252875848254345508963 (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.