Factor Info

ID 21061
Size 482 digits / 1600 bits
Status composite
Value 28261558212693752096396514914945648321971720904102982175352016380954164516606810790838137539169489732762393554229411468568888855296162681216989310525790506103618586027337347046732791060266829759916164566774465618002679900476062501934657563501756000936937624056415358407534668887883913975697516315303648623473598521225081284855395445929073787295206283797600575132504365718214352416212539038942793990635800686237043644480464536299899572269632476081165748494451552909300456272522053923

Factorizations

Primary (ID: 7122) 41785692653578003162849 (proven prime)
(ID: 21062) 676345333006554490026406270309445366134800202770210636098035727868626165043519088794045125341127731698256481818844391048337650563632506511929806545676491724554705818680127469691915016444909174994196528913603905913243437577796793287934341268374716625137708268525459877056151037627822088427075904239967324763597015155485713922011815065683270909451928680720669150467286453109799045072887815916034635255712892414573217120641782753881383291405196925305453613393027 (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.