Factor Info

ID 168531
Size 461 digits / 1530 bits
Status composite
Value 19962915958846028221455083378536776357127750214442716718101433305424922177261577946137446339236810257002258947119588269979500953499369283753471693346016867447203914478503679626723052614480648333240829998206504830724187199260211921087287079809024080432936904040086617628933278483415384104518615721659348611449219169074286053422374390745546800376103592695798013100171166003663888578035899591706974672465236866656631290256246357998685457252614745799345738760228641

Factorizations

Primary (ID: 167795) 10051236464468058997903023288131 (proven prime)
(ID: 168532) 1986115442554412578955056748863255805126340405905373834193921066671125854979363586294571431682343578510270229431887565711759620039181738944501732344607235079060237499074982237279773999044400829851238531335654026585286535060485449166805652155214797055395082734145687187775657759368811415036613708288199757722442928781244223564632755599432091219001544082005110620872988528855451609482719093488711619105543723637447646402853992843211 (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.