Factor Info

ID 28577
Size 795 digits / 2641 bits
Status composite
Value 856675950328395247464839935552832396586385381279733422123792701871334039402381943326733076357143762652910781019375117244677841911706932151296074582831837796999814762950343856261096974062995273575243006071598161880167561763152500538433692291147298406950363440827559826148246200620232399378080689474556498982655693743100484004846228854230771087881766609205870268195344040173752124431292460941155782632237592666498864014739695176702951027945427738977038303661299918101896406323008681003159549213491106216438135388199024779835368482530816186805841230789440634205182948179380994958243020420277968424290049267548963193084538926531261858037942091538837584233332859940719861321541707249003815476768977284689863142085859874750289863466944249768073268225716928440201293291885009263125230383139226098350611

Factorizations

Primary (ID: 2153) 154083204930662557781201849 (proven prime)
(ID: 28578) 5559826917631285156046811181682283984669328272945001797766591795298264632992008794212831747604880373287470880873616193441910390274103280853175362108159523399787765003015978006052924127670961675473167329344142829325577859088128055200993234676290188070226578178960930924939215961323042490174134365440479518784205027490980797537047230076115654085442857318375625739826626279873222714375331814109834766484489749261824309314562274031957254678747582932815355850442263921693831847708172781206082835178618960867601770857350842469345351842948979343796401163130016197562147540246218645647697040551982539671180233289915800717598832236476087125767086166911067599309569389757601038307695004052939068546654652194560261751607839901662834691954865563478717111768274518657357737829546539 (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.