Factor Info

ID 164521
Size 489 digits / 1622 bits
Status composite
Value 173495680205669480768948855672453692204220360348252107405718583440106541599533188670268111976658989829639433618261978353469319252339726119613608824813541177222903734908516953861013980565257060168658384377153269244913388801028564351863860255798452604874264038938075668978435449836133182308714046808434402496300712597680437945798625495303791722468225416482678437886724677461130935256514523802253280993611445270595703944520090022995248670306805835937402286250614881400325816645213076944170833

Factorizations

Primary (ID: 163533) 121288305745180331089 (proven prime)
(ID: 164522) 1430440297930897013968125097971521442279463380227621969508504121799947468270144855614185113528385333488024239518265147928244676651065373188049468643819325161738348947887313703379157190945738474273655609947759374110140432813622895262017152724310405127481648019020283492242220943564458391917184088825568480957012358194726006682903495944633227239929425422850913451986546971892400985963855131775134231701772023227231906390760590955109946435847027580077557980317275975856897 (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.