Factor Info

ID 156977
Size 1203 digits / 3995 bits
Status composite
Value 409877953469718817443327161120436637003399610360906222828123929265278807459203762728168007134416291866566584944362858772849971608613135411520843931190234622938019325999647831122720698499544845391715924426406722873831834239982265977453909065108315044397549165380550628275225464519174232077140285449717982162640488050854333852821229205735138092711534772724841104442753006734790144896483472001156205091526795935373019349627684947093212086026549194099018477006791688097950713258111607409295433287622745282625094686468732817616850782881229973525027827562013635442882969837320401373999307471901385836504930569834127731505177856864789596088051409078584011896644271973842027344614987527019844249386313653322982383851353746923246517215944474205404916092183353941703294819183969192738777954263571212323883690639207485592575085613972842458897393830641860661659026613712181179367921568338001467818871774002064468168095397463660059035592590397719810450206987889346711760697785355059959841097883298606533504658970183718908726304253170454951399099375063622182915236573075491423193561047727191701455640625773902542541044615065406439208143292109570607032082583547376569212180398632237388457627276205515725863332429701441

Factorizations

Primary (ID: 156978) 373846696586388990451 (proven prime)
(ID: 156979) 1096379765321809327172352729919873779564474103686470827343305458535803652615606420212803626914162409759693682169449187734706642687880102573198211413274622338748842634582014495550085369999049699695910561671372928014768619900469039682681375855196338736585440710281920563684996936772585589329473018934524489069662568946599211985550715579457507857212169306109895072394280165503906551095464312482894428922767675210212655816262253386269477621901021338322439760125865387448768315500384650716905153687811323635478680266561334996990675505996855568045459186391682562469243795504133037438788125735299343337506175461480201335441877377594384610135339782633015149826582219265738734964321654025171360726771218795186724736224427380819691063985018367886081171515215147982093992367131427539978794955729519664622418961493550636223389506407435839645066425681653843326621268075539210702900121917351450603212864010502524714015845867540396052481789162909220548921573927853894740405809924558162632857508054012118979317904528925397600467063179124086541922231377131895895438457188017261109380340789304687020234970073764661630659396493645693473942901609702586371663319808245921727198315140071349312668634890491 (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.