Factor Info

ID 159326
Size 456 digits / 1515 bits
Status composite
Value 641858273579878906134163599804599995699833766507954969036049013355277690487651631475069954271956669479622289631436766548376142899076724384890012299676830232878894658194032116371027631642102118753410402622024967309443242685445180842589973848755306685080775951882377777436680993255550417446624424710187806344958610077939664095394081334333806514980794068518488833858306391066271447121839431556189374103993064044304442692353837754896310942099790087647018001389

Factorizations

Primary (ID: 159327) 352437579794201781449 (proven prime)
(ID: 159328) 1821197029995149809329463511623734637573425161783597245192843204145358081154209329869413813004917198837497650947026793374081943944595122301607933848347596592045274603971995061951299983631281707539030423686346997405566708102860734149724129315655107512491011411091305604355484478802264927907691538052035111144744169142323870262441818521815913076168963335741687535791104320482968271290007387192730619350771612958879495275594912153510317061 (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.