Factor Info

ID 42563
Size 255 digits / 847 bits
Status composite
Value 527059609382036988491144573134306198892820382296642685756623787875193864535644594392545864064207138264172123845108588083828549087473988488766583684763611124133756540717668699231592253453195601777910095349453193285781466319727177900052180199889719166758383

Factorizations

Primary (ID: 86) 217533000184835774779 (proven prime)
(ID: 42564) 2422894958163585854517914020813406624837919934007044308016085849775706288688949810607039767229843888405805621034066054154191275876398856642393884039832977205022436601679288659108241607798981069428825881566576889346147631423996495827677 (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.