Factor Info

ID 181663
Size 738 digits / 2452 bits
Status composite
Value 751109055508298603767510115169067863547467004028791519894975705385975913460954595516166396516429354438029897273713712175655695759551591317252961296783718551257512463775142178519102032947932274197249096093553240434835755987181989754605587013980996738360993309848000741886275437718673739436373781176651331904019713478817422862590263259174553561081566658765452986953667253167058957307048929514093947957824796253581215844205168133792019473057933613861532247997062561611981500983450629252006413333285542947825004536562295799400323083194954267025598908976697310201760885009309742936442941671165004371050671833953070556226509587646264021900251536342769993756019610842347905336715780375128530046081344536092118434444044690948534484489121871782767

Factorizations

Primary (ID: 12041) 5161305975301277308212506311431787717622806658169433983120645287083254488481027521553704399629277222751737147807423 (proven prime)
(ID: 181664) 145526938163059522849802696349177628188173976835005607596425723683238212751103498785269840712677462866000007414482162818392489560468289391093342946444525094582750443591593675231291347424122975810582596236812419808035034977931849921817046914318305071916590272547422610818172965438495517815961418765757466420913362095267878037663839981553534828420423903124616555301610765565477401640724735566381434515839050975304623149124729655097440340858841053027192117227339557906534503986644362512544257499265571231015446197919472529691327352460656786506028572208272338289093685691366159585808417796032370783968312291195917733026486472529 (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.