Factor Info

ID 171802
Size 147 digits / 488 bits
Status composite
Value 621997168313900292540643400153890030791787979575576071894455773165724961905146765281863974555039313922031150932935946395554238798840965390809073441

Factorizations

Primary (ID: 136589) 1174157576758064711133567927542424489257843862740625086853780539456254241 (proven prime)
(ID: 171803) 529739091776148264581140799660683419552676213104935393444854730665100531201 (proven prime)

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.