Factor Info

ID 217981
Size 1088 digits / 3612 bits
Status composite
Value 18233890643528745390655351119176118023008357142978720075026180398917673628661539173668788443243610383069305300994846058552139003897310677837214557166255627831450989448188030103558137847490787718012183095132816574171291403968249409655993555381670423487165695837944220603804418017286775765445117744683640665702676592086715213170455280159350370710523232991536220907035737111739934840531081053968812665612949066736388883590866855264188287372352678074635446799591952093075175290180822729694196222462562654602122991993696459296699353686788334054618833510550303146854089255181101890167548140217562906971358390076583593780929369384793893196122303622737469046864866341496427480613374776734701461370343618034460065756037787359704501165392080851022752365280107501183412185065515229080787094496201334918114255645113521434978546273733617994581151542800594434004452561757873872505774562820468169021701193814186885808552999622995901994849484576002258696800609273764048592233199023864382871955302144702403663184135695817379105780583086343437170339425875383082960596607301095345072414405554077916743306707

Factorizations

Primary (ID: 217982) 338291553670565287828463 (proven prime)
(ID: 217983) 53899928761701372267581919595154075102653305413713127347910806570559851218751407152704535025726740517787164378567013591777933998349275202511346095235833838940540789847471922286171294604617296688271447245308145639570395423211191989152284964277112236384541718532424976218040712571796723784962720292315305524415413668581884096291208412214617496320727083503169129542828527468514527048740420094713329285878750801972020816901836814572450619092062028160375131268976545004664606025115174683423018846210679448545868370311618082032959148112378343499741202897952522654437156497927713388125201349951997338643691089976636561559770895942112687055357537928917644839935297718876967369317906914939833567251998212932294960824263057805055236231382285381283568697040817142820268449088929614828768895297207049377858083781408814219194109876910666882021750276280893430015501058356657155873788416532015052666622753093424409217756722843882990217882393205123645047331469255508555308012840891019807887550259768991207688601204750259143238364209127390453292275669727061959779626878255504234589 (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.