Factor Info

ID 197147
Size 713 digits / 2366 bits
Status composite
Value 15991150562161227687786937938342890226801526535642813214789343238681186295375419585940345025886556024370845856539872173199588923443626972554906017678840963594649557916174707067399078495965903105569335495228174315653735018511404889767249687885284252058263311882273202981976460056869968410973776645909114780969857820911700449545759024984589803872650567611392916279366381490391365639140882364113187754849854719410412533674589519290701090136687881694347399160502286424704874220390379541482259928571490491972218487665592897675560331213330845670002449192204403534587183378854359906325568860399921794523071650950923504599676001292581226282570971556740680973152342465401612098412297337205473380368480650820286166445242263

Factorizations

Primary (ID: 197148) 51738888104294826795117860820062567844712932151 (proven prime)
(ID: 197149) 309074105534050082101826500854425359621391219321989880102557905363150039741668982535350472411116292295924653311071972469402571288228413317375953076495881166610977120371167603458071277739997077302931064586290460751914336371328666594702968733126176972263524930165419700080119550618539507398403375207831756462197841935200133001225256061532918391363115388957806467577078757772335135081743822142403109451205053554636965739505002954380880583599834407034766136438355964704777766314893423376227289967239821795877304762129886515027125045574208788765945903306265414634753860210107344356913373066627482513530759148449814545354008989398436086441142423181501655834812120550129313 (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.