Factor Info

ID 19132
Size 319 digits / 1057 bits
Status composite
Value 1321821515091201606433789227723264539248076463268011771417633270325239447458336790925761102478927029911544073596410428219035628443820979015505466375585233726751087978606579998726166756328492026933405883334492711953685252414540025189730692732901801200943885154020811248809210268242589725854337419018171909162386977668151

Factorizations

Primary (ID: 2937) 2679895157783862814690027494144991 (proven prime)
(ID: 19133) 493236278759606724666374281424571978467388667842376587886976195901680685900345890880855638331124905784682128668976887123872990810168103295169461679648922191630464551192509509585797982999569154910499037211008802201993458308250794622779692706183219511517216370287311551644627311379630761 (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.