Factor Info

ID 145978
Size 765 digits / 2541 bits
Status composite
Value 651934213768350544643366065978290009335806510618517565269751735363236494888387236081014702323849219145679947785803060278755878906161799014249292713907772070441427771887769889060049251196486775964935072718218935710251324289339846672277158466475423511710876388557620205845806200792719313093636930472245144031142155582006846473372743368445343419569059715836102695571872477748605608535112262328523876630508195051825669450238379184999368733186235918334791433192478058504412757858116392761222583173410402792608625085779903501522599141859765561335468674380511452607442115353731585696623254480963761703107721503846309198549336662799837020088334449286887123333976599278820450974427161693001803799804151194429131777377265566584196025563867978138230271115830765077459116949343

Factorizations

Primary (ID: 4543) 66824157595186257988571 (proven prime)
(ID: 145979) 9755966064214376992741176667822117390091286295013008193812735089650283426414586333105732937045488223656778160358253013011097861954257406817688654801573947465708562626705426696189801988203038529257640664029817814665352739221653261839155523286264948415087188012825483517671343473406151138543702162939943792584270130990018701675492895410193059917539784715711507536107170035980341771919638700115647820412626414100521717457450748095794855497700852986358399467978627565329596911989040198595582335095549920157393173892329525912052138506840427395144710631191696263893717853831497540132149701266638363976214654610270920113274255624414132650149928003730110024178919297315061967602926151486098074895073378358686664384380660999647577220707382031685571533 (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.