Factor Info

ID 91507
Size 643 digits / 2136 bits
Status composite
Value 7970637197592260340535538004904583853291866117818390184077656776712573035574045093578116422248192043468177492085820151181961056509291806932536299203059836838062499518932919924533680439147100286071632467481898998770688286395229515346351427447229946057845599971619415616432976446404955889725790965730002093429552640654116759401921051856676932152425847157008311030236735439809791081652060612780465116156990410286997178916538491028110012037867037732733964427713438160442646905269461289427351139024766239374383309192077086994253878468729967948005036324549280141592787250251590257549173033387414973561517017821918589940898233546834263274713313391789

Factorizations

Primary (ID: 89790) 909379032187982366535129290548012827355069 (proven prime)
(ID: 91508) 8764923002914157110177951439923016389592302354023347994178711324742558283955383478984225869989751392458830136144344232862597790875673536818227442700371160354363650862481077732148177066982726848425095460792317930818021754925498038188713177041759041380659814175919915401102008312446215472580473444923916157095364117588079212052231293218118594367674657907691339841928263823349821790611795981416613780308707529209521241764024054945174949893204955266217973138059300113977017848650162452509390170316412298702762553210863541905629027221847698422416162577483042006977657124761492906445910755369748893905704881 (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.