Factor Info

ID 150928
Size 769 digits / 2552 bits
Status composite
Value 1618273725694649791961197141208061173757030546853126600192518278227237244113633147942378643998184648350880297219358106765150919930676061275171099359964550089630059480394031856620251696805367629840055699961791820010349005950648380415137396148540533940227798815958229385255902705829992455941682057440881702086971537502266610068265432073752327255717956505760766429920991894587867163431347493054950653606636122971512144676013870322234072472475445109395505431422603513150302477833079248082319074888716529017926240001593385299227441635473559122155764695596338542388903589961904473676521632117527293623347264038077339653682580171960522376179737640411512823236943513439145751659071785486568168358164506046885297381916497065566936215605839830103671096521674663342402602302095011

Factorizations

Primary (ID: 183970) 7447421468645616700233785008906021 (proven prime)
(ID: 185009) 217293157438147248506521637049144922675164636841122169874860435467366818316079606310638710540757130112214992067746829545172922232226987731270849522057598292578205217250271831160585903487101850373729077003037496383020266944980260978218449178860091304807242300050800086575898480884400163586553374603015215189545417873878927213415855192396280540624252185070676903927000441292952594328093546953248230089572881336396287329942820143642662644154687148703331199755871800371174647898612225144928634383892561301639696945452943418688625647368813382321691743304349680383656087371599107299122104621811864311576333330211978746412974925991964212838355097727101760256909984929685704227346156995332897878219189105737995898072733792253690041188868145191 (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.