Factor Info

ID 100589
Size 255 digits / 847 bits
Status composite
Value 498387560323824632615579768618815134966869457021914813745353316971357902564420148079654620473843438616748998223750226990624576515857919081071190497681816918802588145782230108563827357300639514556525694255112255378250586721689199715147724625671502480428571

Factorizations

Primary (ID: 7411) 918229218981115419161903071 (proven prime)
(ID: 100590) 542770312707806156691719785974415247673913687638301283831107626352603281489014181841007946930971964103441386289692195283447668347349271698699833011022468576392390073530596693168490658318500542025184000949281284867324089088690501 (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.