Factor Info

ID 153235
Size 520 digits / 1726 bits
Status composite
Value 2947964551160899527994931849250318998949850453792797814279910085309593649740372178738176203963902825776851049907772377806003705096088003864812707488341266684252290228374929074808999676916299158095948461130758607825189355133388624607457848029349977628324232316556383408688054753741444705041077682484506494546767012823252142411468157546930508032921587938019968131362982953485954508848443965131678446311267294661664072757123879160694265763538988354884556604861866034061644577538029357152891889598274202651629324756368305669

Factorizations

Primary (ID: 152180) 269681814129218928977 (proven prime)
(ID: 153236) 10931269357852853248807083476811353579760680225706534929853034207802179591518287825058814302921383121220851327973226287053806468951342678138044570900254752348379822279981077472996538869429381569497798348333528390957839091346346869579348189124721261745381584388771922892033067136310879915761206326123953732377047626136141163099843594420073299587586364779783045622907977531145863013382856016305155727819726927191323460516524865950269732965592697017422458839800275125844366373130694091325526491276743797 (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.