Factor Info

ID 194594
Size 600 digits / 1991 bits
Status composite
Value 155653518438573934713880720191428908119264564662985122531242139803837953428027571867191518423133844217106904175395331644479370014764371624465514577854651272346429283974553436259688709128609161851291612250270119422112286339390537531739003090762812730378444765512688944362025782778355964899500494981236992261705841274177077225792003792802511835014460995170399422601360382483152720829355701525369567989700521571369276246597828888521856019085142254471794329913205176524798787659655545924945583634815906360469051719651735618014620410336480921033229726237668522638809358210916215263686251464147166676417569

Factorizations

Primary (ID: 193858) 8575905329118142416578338888923049223305936730641 (proven prime)
(ID: 194595) 18150097565801806244067537393000543309969103400603399647048798304685744370837748724490911569743037452584713487952826033374021398983121171848223657677180318768454565941753236711217847442171564630083237070972026186160998088811316628856339398306878180074472837794127615465480794770606699271992892727969814718905752127515636339839020733910235396801087057016971757912125149337385972628553728760218768572983183846615209112620530045340531648891037562509350729601756558596289674304868096324062092495258972323780063662564865160359760342974259072332286063169809 (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.