Factor Info

ID 145736
Size 657 digits / 2183 bits
Status composite
Value 977867816355653434339256717092862614001826042774859558886520683047892210331442674534410015336882265935837838778345902588921464000450554137944657420449473907402974348109411029267845541835333467956453920835569784735651651877297041524707807157269391175101935331411584952087772055998513972142903876640179132997912069483254661924169749088571795184787871421924938300379346945581355012533534030823176493024935374085030507007936355859458759867332725302901621580318796423500763545389455954816345558697772304681723825581137320776867768468767127164495188608843673301349966851717376813928216882436745449400150724542493019570058204664139067474066293980993923290867825921

Factorizations

Primary (ID: 12055) 243100818052550571272923886250428813459958001 (proven prime)
(ID: 181673) 4022478509900653196119306234020561060614712756655951049533083321899253537627428836633698693235061950143439129882570347877909033638833804292555277051885323173316864036246214814413034617768442093404438699567729434506841453501665155416978837746316049356843154853811929964644002399695043895725813761572429346622427827240044732390969701709638426630846219597662907152682377637669708057419364247004132928321622703771679194777477965249788899850743660447006605333472867480666391877945876485224422023566477982985695374495114258544578468850820715613838009050215924255748163492599515067740584846235013460260224334575540507921 (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.