Factor Info

ID 151636
Size 1216 digits / 4037 bits
Status composite
Value 1688791149094578316928692725520159904232003203989373748197118751841625398690846386690180029161278298071473836923889207183695153822570647697761275250306560518839137142333016183584295095768120066986576580982265820228238321099483598058134852847344066256501247453646320928450088836429599765055887819340077131657188777101889419534334373678306802423938958033701501167427859022371150278901469241691843746519812276394602463885999830706834946101842792755179027814811850552528125596725254404569046065513207974127110293844143438417444462995628418037765951345929618270380186701159936844355677868753660833818229973840347487175333320838902285515017753198577417392922200269651491197480959467914359622252220042918251414913821934297111832820842515558965699905086445586518239074430111688069618693573510441543907157858701113485843574733644228116578520640723001156601026814486287422542322733454810970986642724872032979238731062698233229820134242591163974607145890815583490982399640382716379672839635609738793250348835528481491681173757926076079944732294641145105586367925721961531623242837785068924544043998446733962266147947475106601507274928586921298276791399511074492160402540748720671335087593606456198948843032936607870994199623193

Factorizations

Primary (ID: 149617) 1173922372300235340427 (proven prime)
(ID: 151637) 1438588435609661614174502333701332567746547439994138758347620235015380173217867573617795683475682944951849873570645827396170786836349881332457746439791895074212769382072293396183250911960997832451572181648105551462951648166030302123559848872255255063178077770301949196143271055186829495346336718181195983550680164318859976707782812401244823573625310472831291589929583399515057305671467401603585192921706027674253731582860044975682496781203031197883333301455342208041823666987782407521119916727596780765764622931425665942308651653326017596606684369412646331869924533367711670629294246512829707276162285331427472392317509341524580807965356735282891261128503384308746806726672775534281961830310821693005971058876957914646676229314095320634654179489623417148534951567044730672854969447340339999829432358004672850637071291692226556775285975672642797504051710726651720426105591444349719950221894295013908560964670577665890386258703354858225908747247535673925874740329440494003212545290955719366921736003186126484093246939441460346127341369369167724202274172016913311351523772263279041855925372077180096788758653112664964002621427112898188797057735973531770450333785261624342074711132606871728127294059 (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.