Factor Info

ID 51621
Size 660 digits / 2190 bits
Status composite
Value 131247180023248296639064468746952185624743410045594230369778694768578317901889133544914637106782569025479206614395446175899973514340956215058553308629159325609210636708666136509347573930110569850663185976665279476966048908027994017769455502247717083786718427238962123343276136198220482921562071831304715795105079265481626113426085761545793122746937949704665905881247929789044019943700813336387134532063629502795330368876307426620584040636733064366331312243331520233684268589524902119208631292065330689741202714994352783280142268389655097792857295307427970864924446502605357197456928357092822084166259615641443415535217907570962981441651339265546030612899236733

Factorizations

Primary (ID: 73189) 3151392745401285417623005242640794734378391578098410519327139047230646694631 (proven prime)
(ID: 74822) 41647357415153222809691447582835571344851467960665162074466403571648976583702013701747775591262927226277770426937712481973195781165304800469298912217188011684111424564842462521166169083693976531456018479352665316421482692215226074842575757313214238095378983314780061997848899539898919399973200156957887268428400899114059586328034959623896814019119048913717622992743302469923771977227868081995196202624512074723007264238484205198802372285419563741422906641347953523013157282058728043402647433032864454048807233745565932250616692606856379023436705919179095132661253687893988129558619643 (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.