Factor Info

ID 165783
Size 1057 digits / 3509 bits
Status composite
Value 1239852580469156212788316981433531708518603242200762267640591165740176639717566450077966485298830808390029357899860618041440689680920491468324225605276571031185043849502904259633226437296121179657880047745033077600467702578860560779245791230906984841962177578901887021204722898357027203314321868881548049162889570243394955448413376720060067194292562076464484835550984074009935051629307874202102040668359870471977058061365930667200967371613480066700702593404716573531841401103683707065136737939725894262671945024117258653650895404365976521178526750685784414601550420972870140985325114503739025586141833038021791714714460678994292372330296643132127017307874814884001879216807627751764333223676327439013176968261095822952843730111501094005955116928414567347223618556258806533297894838232618680308011568229516348237668880936249268619140138199991959795959230200238228612668877238415167770298195906736247496130122273208846664340110513983280190448773860350702608424226205320382268656306833399356457239267181686371236114744088514395041014455648814483939333019582497

Factorizations

Primary (ID: 163730) 1900811103440669085433 (proven prime)
(ID: 165784) 652275535546321221740464195216520762885956619018945363693090600924034502184388693194535953391160625315597122874989881050706791462368721536429466263483177655104208504429948709993799005207123742759425381621825016738957393484956032524961899769540552145727091217563497152799222775493170215854175102807831983562400045438616021246221019835986592233088296946810902471282701380557133397523903989901653706135100613506437062077728774326836821739239518532548034865269576345857497770400644627567102364466820980830090462034083178218069916432069136442017027676713886069136136278174554391221320508138848783531136868902154721587216402509667420715891487727312684468911822457483049411752347974566154725044889944436477728888402999016903033332817418463485158534163066518203397831211439339945973168306289843347794188825684806735112508881978506252043700553104577404139062868632833404457733093229187719171574051478971958540720439106156030000052122366870560353997111900741336621496565996030748376492048635820734590950876188223644476691702864124379251577519209 (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.