Factor Info

ID 27431
Size 485 digits / 1609 bits
Status composite
Value 20984243959782821301608773109515955465160023263599598322281785615636216823316112988257108452955239138129928280875639000311774500793160256647107748387750672347194182062939318759377371695847679304035313242253207216476922056562267402209618510840571960606616064746826042854060958198691240022304976610295085925524415913516865480183269868587090393499665116742799972730707631274640902133600556913396780170341566418572081863919515503504827063322137566257859306422864138335303479840314555329049

Factorizations

Primary (ID: 39486) 1640328980848973758491841655266823937109121 (proven prime)
(ID: 39487) 12792704515238248651823126310994694276731291442327968271294787263563148216225321595791870443187173062925238320267824235092330562587703504351460809051370911397921567068948184177154208901035027405094868450800608929498411737826174527022424980921012924164691524519708318641395385867663354396059964956912717840530047829155710701747726977181592705522342972643393591767550389532893325728996584550113352287628472270384409644398767227873266004329615769 (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.