Factor Info

ID 2521
Size 266 digits / 884 bits
Status composite
Value 66100734864408823614374794751653784424817082198250234845894447246882804186633663258693115705964496046339292017215795325074933091580810629672081247834924691428877604738171272137553812851137055383011913457419702066913453829134603343082925335900336393096716644262479079

Factorizations

Primary (ID: 19599) 42608585710315399434791772854102387791567329009634088723 (proven prime)
(ID: 19600) 1551347780323204945008614427329232238306945994588214060501024461766795717108305554451881104888752545811594652557994769154708190942619210405419436601391688857541321971797029294526801433764126553485409943007310173 (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.