Factor Info

ID 154199
Size 1219 digits / 4049 bits
Status composite
Value 4237387657744468296547586974810172420667639457336905655819325788769569360142351443150325827244738987927107508041403916532991305962406842030397412743553039492586698227548130502960528752939474124272998427751403450117407909970083137904005086691750080108003207661754462881228639110998421818126708491716314636651992763141771939905998003002573250533261949368311925884292304068160632830285524070462417533299763200348237716210050127156178216556440175311642339518068156063561008427255859156105948413497265109483337511076865954495116463490731979216767759806535187447447044819011525017822876945968149266651288613991831750192045434441268677855138601738303964911882405370837502880760107575545222417069258773493061277234504021337514344094244013472055825074611408621255548048004721027039651493418320703456346510675883590271844786817097030012839925371046750724991002707137650304372856244823972691591636420792912769873646100490943161405633797553530527260280251607717876775628655063399383690980848875189111606554794555819910354086094780486418706058581756682125175718972497239908152812485920622621774536165392219874901699605848580521733538944031876362488410412466261201495070776259727528165725869071145070054039015487966210649507651513767

Factorizations

Primary (ID: 152624) 31347219316079103791 (proven prime)
(ID: 154200) 135175870466155237102115317919986802726748060327739557489288115819666798170359562206286843654439610089740345149749792404393615742862986577030514603865982415954971709635093725881744860172461789150759000815577658895450451739728662525516941267142983733321446925796517223939176108069056680426417073991568890631617519954928387869372860529247060711535943767294446273989774626383075162905240899640333202062507377634028493287418127391491957687416979193235311827940991630343679963329236160505250501883687249070946756144390923370185113170251692138741306100931732549293908035838501118520795550991748898453775295186825689610415059538319387102672186135723085032512587433819018199755337483218525230343664672701769576275070325457689557020322502643335819224627139953063161218488661398314026428279458183138876398862645013168331050891488174470406645913000067381213521643835626347263117046674889753679832540613656955717518238609441078107649796872467459091907676372394783361031789067632210121492448413661728322440854027995047840791202201287252134414779842441737632680026780907712731315142702989108393521782188515645056697626151312990978541483938298195031460232092977115178542888463353268735339857120165685565602451958537 (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.