Factor Info

ID 163237
Size 1230 digits / 4085 bits
Status composite
Value 280773881392830482363346177400771714236346183868156452948511362173248404137488564230442595128196365731045682303970145674671724890629908045242589902160329574830210413928282903415503685679568899211099362283707693800843908673391089781388831578977077217998535589689841510512313223705572504629059093570703223693195393157979106441657647133060574989440043247189692689529117545974206027809329521852895887926789699173181958638443711101659249050221829677333447429959741537043865114225143724994612788116410383280313961208114272590586231673142105581965502136616044814493746891197306623808683209252881181710145245009984399382866719960469008934469810660524086383854053980561957791435415835663097106905800305404234263036262308639858071650644936642815990276609385193743145145471757827139999928835903437846092159219982650771613753993071996994070651461536756536593729470765443288376302842081132869304214912153604431836537451001185727930999144592134144770514838985067168025269843622235449967274575914795747325635725104918851961938864578168672152396087695657267325663120617431540437649900224757393791123857386445478355255090479355185118467475386887170071059625711726947357524136554889969012736876142801691134414015703379568721853548010511619601398763

Factorizations

Primary (ID: 163238) 5056494380773692514841 (proven prime)
(ID: 163239) 55527379296695542778939215399072338125284836797450755643329209139100290168420284122994452544974655659764069254232864167967811096090753539405715722814824840097236398794640087992740182752658813291607145254828006851266637471416516671751297692656708223704527543765038177667071420024788053899611734086629868694571310468524759147632185493075779865660454967368032978694206225914338194234359224130203774354695667666678463822242729337255514678640446010467103655577199059530828090911054719647565768128970611242460592187458139609409320917572726465623528237346677268016981404921494425460320367851872011227133249513075319409746310718631323005396111685377605526109839638418262629215532541073114574723184239993978523312023096571034926678416425021903404849818545904703740309890291909257890902026587529962512824886769806877399074858860855571909441928740609634462514262047823513575959513921582969918899708950020283064832221294547746257337334603849807267536682028309414240379352337561726147389811212596023504454500745150853567162867537068774012996804347277661198808931616458019530412313012275195578290149946990161381330219075918239137002822466833044678946229158311083868784316014654754525395234099651293800978947751018920916643 (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.