Factor Info

ID 21680
Size 482 digits / 1599 bits
Status composite
Value 19061613723077665443484750622892238331270091519764197917112344696335054357909286284883357156085726428796966856603751756180207527826061052068523183254476901439932443097727722195427074653465318162205745478638244363215119910704706586244570862341840146152950355744752004832821977059352713518781402429140495476774413134613451811959159785867147696219472006425215089379974538394189912664649819146809020029802176269023182042642363196464859717433761122831299756247965665570574636732309079591

Factorizations

Primary (ID: 6737) 1312315694449748688331 (proven prime)
(ID: 21681) 14525173937716382684071734663900875744513352987354507962727186824604573422063940073985212930782103271324571705042903668015422960457665530078242919837759191228351390512698755862612469530765029125514268656207345539267108904400590443171119187075495948145293646998860774794831501073316326789960317117954764864248778409813057106117840402412691331965406543500652674640185705904054732772285111868852702798832849355075940658133773418527144609549738373217647267113389461 (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.