Factor Info

ID 172917
Size 657 digits / 2180 bits
Status composite
Value 157812473170454604180161281607899371874773858106465083104885238266096662968218135931663366934078614996927988351382322099416132631003622957304849862135196962069583781145059497030239952303543109314698701285569164232125878032247934074371450970401808961794336635457299939093064875721594420175865796125053773942340693153111285630066579975068355099425134745685138490256157764262230849458513337458808821325583119127742989651988809183244308373680227325144326922654058107094149684527384878914694186027170809157004234307076417683123547764879920262133874626830630374248223348276001028150353714488372092491842464580569092627760282578372935081550379656730102459178124821

Factorizations

Primary (ID: 171582) 5145363110158434033260945989079519011320800758210786068878598018258774749549518668771459615049 (proven prime)
(ID: 172918) 30670813661116970900900247410654038515787074278411882426696532899142136206714903850611945143003969414798506005497879829673391275734157790889778298239751233014263703173625978892191728467106848363287370528811991034067400279658518828035026496876411459803873844466786112242394959342076535751416994722515885566270543110254286799629338471624117958677882557821922919190058543554765062336171622150317698061433036914690032424233325593369870912096375118969751521733378442345436044755526578091140143762473354196140799083652960432969994448526478524019902555195797139349291629 (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.