Factor Info

ID 145781
Size 768 digits / 2550 bits
Status composite
Value 267455019519845444276384277956686990034521044243458545004869800910742619784357030011348364206637431773894144515248978288327257607187463613301692730554737532372222904356473937713896905374482331410131034596589867683220623640862447959164107902021774378135873857632589433903678337392645378915504015728200830022253872180790363967361645822394411345401148792335083724849126997739340027544574152306172999261047421973581222456086128232720330670466586565656442356904662583287042426950493842187168489696461981398721172033477056529698536974070372679107483769656166592430874388022149465674776267057589047054022763661132470936632948335662239385743940184784595445467667860395377037364667114217021365903343878896690415933660485622523352477911437961644342937040196363355917532448830963

Factorizations

Primary (ID: 145782) 278438544220722486553 (proven prime)
(ID: 145783) 960553145644339260384366020230046869958005519604329392087696841228573904443138268919158946226958698007143016838505540584360927605410345084328200436330455242308641236364303484307745966916688178464337700509599796615943880545820696002441964458317513048128791590228184034453931423539832228059809309699570690120927252301323155092319429088892242895608208855391770268014695060359895040529631902838782017150163504899867752734957982570833434574545812280836553396376236497862602268248708410829987850487474135406864818565492985159366897161393661641932869097157780685007305921899596112029430077769843837328838578639485984109194918693758477133485177219785905181822282041388908316689195188591564447374247137824048081133455773833233043481169217209226270350196971 (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.