Factor Info

ID 151137
Size 883 digits / 2931 bits
Status composite
Value 1991583915228906107426745841698943714761366782047216863477722247895265464127170020724429886344378803607059884223999973431288031363460883939440213689590153497107949044680795315586056860590621296016144893144912022407416656023831302546815174900521158615360995276307066408375263800682433774862480045096028906884781915612915946855348325442736113132575373263825647413059750141021208911605304877478297554675539524329207503257767949689101717621924923772944967221277653109495479732545952334972633998308224855922001540362276130034010890007129651528805493291108734855087284373617508368234791300652207648238344234559604948665154430881796740806791935137812882458149544801030777438924894029263411327068080863894234821927512233027964447701950284798965218630605658572390536622708872413027945692558077376801592455001178705558867817202252549402474004711499036884266036845257036627563042594533745067969

Factorizations

Primary (ID: 149846) 644438830301978050660247 (proven prime)
(ID: 151138) 3090415756442963533973250875563155185392499636431055554105455477861468074680231572178291104411174833658963012722909647496363981396121926291547651157177398590907088389681638434235446640285494819446290637661982593224619222189802803485082714252975639105925380449547973051131522989662937607008350707085721790582469925266742166316929995447330813440629357811969175703633221782510309522640952160964086598520448856033107421808876164649232487748489180958952320689179087802944974341421077220656074365219181201032864899318442483340172640854994936419589775533325933903410069676411334951779949542108286349700924583496826102506477379362385171167036051362700148407288647467469427632245453325349009501190373000322754959357363859389572261888985874344742744044485898523051767701645381162526676469639920001568022603047246604087239762130302464150264858264300022011812059352077927 (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.