Factor Info

ID 132153
Size 258 digits / 857 bits
Status composite
Value 557141547023872743712313029783076049204117229856283447583398221482710415343135423991645810293543311815205606284187196910821341592505941717491836226875698748778671976105966959429007031496293876608617392103335526665811271531704476026020613568219717658032064673

Factorizations

Primary (ID: 131677) 139870566115103282847737 (proven prime)
(ID: 132154) 3983265117876093045851381123568772197844625277509733644730214312196117606783202474598648520340909453034519562084617424330395605425400464348408065064505605412779463780173003091426280217272173194984258929348731582051333315625805458941929 (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.