Factor Info

ID 4189
Size 259 digits / 858 bits
Status composite
Value 1066688953467935881605375202115738933393258772877594771331194907018973417708582036629366981899715176513000858523701266170886847575461924020523786760734446881442110139685117918006626829126995906514757124628639865146569147312106572527377054959631766222171694193

Factorizations

Primary (ID: 3102) 20597276734348736647 (proven prime)
(ID: 4190) 51787863377544867421199940360970737320927906909539540012223538032364635318041856252470122604149343293876963660168041233712493432339747564752998857784636621981478792711058329160523493677993549191529154147060867814943103116993500032594235719 (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.