Factor Info

ID 172743
Size 636 digits / 2113 bits
Status composite
Value 646632224769484444297913362471365007919777926318875868140499480113898006931162862828715506524625905798073720272568361963396768251922682568703610104954710779680319623175605262985464576991621741773000466012326966532774247496446716580473284775651110351009362995951118952895007959171231354532965876319208753623548496188055922195373059236848194807825545233123905263420146363303872499155018479863320560673303902086946559210512001686709767653538698570652714850191633724836891424423560719980365079036323703620510548798540830647111726462580091236666239500434256209670723756069631657256739234996814942410901108232014689460151952808179477991854073

Factorizations

Primary (ID: 136488) 49899401391974546344537326670833945216032751295211978214001910387650356960625209090924926381155774342635644426540262978523 (proven prime)
(ID: 172744) 12958717073377237499377202331020453429762253307526761715800216017225120977233783557264199200382419323228675176254520834182679654742582117904641407718757593417781397957111947462757670452363990290603156231201400963547238263877616022373227759698635192461367265420275135824036882005289919319689346849637863462957166808544799146409373590707233281818126275448463021105864196774468671593424450571873952345628327753864916027944791363481707912966311314372972887073695427157794999773973438196246493062362862910314543194897851 (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.