Factor Info

ID 155375
Size 449 digits / 1491 bits
Status composite
Value 66531051315288492797968766967162599283935612759392814757688374989938127082428209726783760571984155952931058666744151600402383972465273545485520492594689528468700379125909779280874481433221065173883152411748619762847464288463595037408048672522450314142316993901638013132034701854791346282255453833175026495079330071723671146287737954465348228715373081551635902202956743236414123893589752643816739062836758261513450715013017930484820723783248821112761

Factorizations

Primary (ID: 154597) 3545592640701962728192781 (proven prime)
(ID: 155376) 18764437445954467317318153478015612775156588277300495969264601169443390027525254097844605166957824004173775653804140451693125502139918405499386726937952524960613316639850690028735253058518480191995650577018102674585862552935319675586643280226955608304756097913069685902140752687551267978666617967469703612625152670687822390112401337823935033551224660540306934991316512860589088141824031984388445051049974328640845397728447581 (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.