Factor Info

ID 128517
Size 628 digits / 2084 bits
Status composite
Value 1948824131432596896955130314117315503100711052849291564774164909890356872495048635059751219999900400807615511338546879146759154977561872883045845303811714978670687330537768631580926192180086435221139236077990283124890792676030663922968610769839603188503106562668736647339231454101809665539728479991969927357662136405419408983139906755342935847663779301931260787684838027467737095441419103741342542313007443671539826363571921101632270363059805380607148625393563062938027633968377627541393887556376696644059710657517269000902999514274283134610925210021387651185595261484474396008215266718458703910905110059268619680134446596904191

Factorizations

Primary (ID: 115289) 25304999986322856972987291809825770796311094974803601 (proven prime)
(ID: 128518) 77013401797507220246450668186098341352756918886046598431975065684688341102445786021749364553593352750481689155485046201025065576851243265441432715696664081856289384116285661714344477593268321623594860399289296609377020123823297936642988523374265238062909950403402568206822637340255935817155370389769105729764915840264049630526660828106539589158357294080864363023221429952607084186251169451234937211152650930737256058852503320819748147850374017236966997105136705366961833928162933214442086593827358690488859864658485856161201741667103470889557185109288278324891603027934376591 (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.