Factor Info

ID 190178
Size 541 digits / 1796 bits
Status composite
Value 4218626037211034554166328649479825571562065508373656295136807263862938811783887283185355973094043284899258497456526381048492290144318966269972364695153555543160228057400904029585201242107769881483313558395394384057495927731908051947206795927391878213097545876270630548767366030615092127952404637347181509928760642100904967743346727085873094064867656998783773120740425053905091294052957169625168378407435638385948265887750127194772315224466070230083269399783515344210817543232931282379674282244827710351651600504930189099253071238553235473121

Factorizations

Primary (ID: 154720) 2121734092665157406108976641321341571103440372921057 (proven prime)
(ID: 190179) 1988291582717570662675479872630923025285933075852472512399692361822527909387899767784198863577602546830440810147544208303055935362415953796025476746951512242151957962866719600590658615894276291348327835022423056137721386043005813171687981130555718297865002530537922340346652569801698836709545314850799830298166815919730392014996905851887133777160539091429537814142936767578961896299958718848982180882867193139670764785848639651156440779180806345905584926514980500680831962150492246027620353 (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.