Factor Info

ID 28589
Size 726 digits / 2411 bits
Status composite
Value 425908628235697531232921577984401556471963518422324715307497761797222388091889412342352567679312434276053690120142702076987532149085381484442130875473228248097454453924124383643816841008242786316307806540861302440442305293661734502622761617440513052015918434207167141304491471826495364703400608692886555589737221989281478734043409189927358128784918533688019326595546925400960300544716426574839468228197252876439308561470983282827558827577726920629113325192397884960121363508836934593368084140005109854174373184207249388054920793225860794410392206333544606295897516755103771860720451447243499293592271520107410278515133900294689018644839913336695878020235296533995946194990427110937343124089396276101169547486362225697127344251

Factorizations

Primary (ID: 2206) 318727841165674579776721 (proven prime)
(ID: 28590) 1336276826894172791989826046781284377103129334987967180698521434994406613093391367254291934599811743157427720156330356029918547345738285482036095400671004582542544177995841527406535143967357678936117945790724852731891332454860884856454320159649833602846961385817767976042549408547593259152513365981921933975670640670991972171956139204498465956854694350604385072879002064341341104880707500889646485172015252938725335073493913322974630556707934796734034229370293277215004223710056294628078611485024269021018987224613526216355249692594940869493042070863071703494094246097161502884256820975528099752134430095390923359841370600912052281546403789226858914722377242133968810158584511609215031617291829083777931 (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.