Factor Info

ID 155938
Size 827 digits / 2745 bits
Status composite
Value 20003380013575270118898120079085880380841853504361403999174238182110960267110928517340158182485730198659188741229258272467641506485909707135028373877969824933438419283050161486164161177187865308400904335273998125010368593765016160232901807149162498831602538097772517810876409276959518944183480372598444581027594714967814028741989312212431033407166729301893316854684487250805494812508179074825527367655084769076842367332874415935137227296642943746784290554409829016242367297486937135036046040270357842498262916510383493933777799044420715065857339383928928478053603594718935583709382106505856183388508072669070866893017406582366428987391811037326460829109034312382180674344485664628976321154446303188760504401917719127339493832996064544196236852363252743220085027520020177957383427550587140420576998386276987392530850878811720677

Factorizations

Primary (ID: 154594) 6841661642646463343047 (proven prime)
(ID: 155939) 2923760492463881208797021707924192358397859293244486456229676662591670658442076644337342636182125894154618261220735136057283955235298017466421634536789549406708203571651695071884757901848457085105247487370254087827440272218342418371515316842344656462994225874189835579242435464436431776723306219357457397473425959510095110841036760600620827567355160573877027048998348189116186867019462336116353723216878484502828583937330127884073713285371591690787679831352253008683017337506377347431033953720305806888727769355818976090678747731365807989503470398567864914385255435153299110522594540284967834375077628315442258930710870255533412750699869509901747812390761453718165335642001182378609277446176839510575709660733051280653722705315243990625342793906778313692987797302199591897272997536266781816170876342402291 (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.