Factor Info

ID 178391
Size 672 digits / 2230 bits
Status composite
Value 157207382288469308969694321638095703967108846297662492737514486597049999987801143377664858397909074874675839661084563390824972843000601201791399521305518984467086658460507515417661867394918412221928126922443727205803171294509499237718976293593884157708369741562338301929303488465892080753143766115034644670107254894988517985778554448400483150145581090363020473596562086004061379753922142233447719689237355548804176284272329361985643961311028828521814120112278680305603878513495771800186701375395820478248778831060570305278894247239051612634562571741077868669079514353247446395648092458969125021476839361281547814569970019287917261188465616681418894186662978266564580501601

Factorizations

Primary (ID: 16566) 4300806813670912100945629926401 (proven prime)
(ID: 178393) 36552997867459772454228521366547881312255309081892211612919670964014174021604681526214545653379578531715316405428029290845630925545251401298890442270226211336763090923461023475575334885716278470782947343772062426443504530673314445302353974765857573447083845872377558390129898571922903306218640420565550175502608871209721368449665838225481250613125058990957435791762001677280943513080897205812164506289638090017769024945353652064207521408767289926926085117307176704622940641691144946480220964179773474236585710499959218150117812137588154363149815839223149085375637785752295645219546131479457928386919135930109077998481308064781659811877295201 (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.