Factor Info

ID 155728
Size 631 digits / 2097 bits
Status composite
Value 9972772526216561425101676602542051664341129774031591486744138101487168542574957156803372318986451343106823038775646357879951070659417598389177320952122673448037626435602224699980123871367956574433633773703888954785131633272490665795911021613628662839946035734714024982249486350636509862445938477507154139189972888854434892030482729852141286359082740626916853280970189460603671880720682451496174939410769527775739196767842289230920598030725614878243398791657764102982091598094803379316250356862904752000932351928322392820655490474657827351036426199807680958144061476229226670467505522214024369747905925807938535913195895165070747291

Factorizations

Primary (ID: 154693) 6965822215923508571538755599577162898921806181418861400219107585112491 (proven prime)
(ID: 189671) 1431671986031931777398839919602297504445924349925885131343377168852356029432347217185473576240087496651069087638075568061237140694159993121576828794479245227698321592885589366970734368999430679054043986326069600775483077227600809561813010307600625184754079318807194919847898313587243695398308386948193946173136492445332823489899912827896277291139511337223398067879095299631542066654607488778351526191080495106656534767934143791305908782421446064285707519148363260094225831622866079532826715837223684928646494387081541895642698253768240593339266517314946953262801 (proven prime)

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.