Factor Info

ID 161939
Size 529 digits / 1756 bits
Status composite
Value 2228690297807513881444078056788571982882593710113300558158794257220463551879488562318457158736336160378960873558681394208810378765390553068287097434115840226369396050179776976669128113390551220627141537392932274482981878052695765742873948948405000521263585658180212196553034149302727356219230496522829096979204388182325523373163603471472720782672793821406227422376882110953405003815250842702166002627669894583405875934941575932401914729895068297017636295653197657481542557373718125110357791076783133228075501405594409832033737633

Factorizations

Primary (ID: 160987) 154186600910808898663635581124287233 (proven prime)
(ID: 194210) 14454500486048892789729462942529278752749389612030495861234712868793905025469693492772454541044419769596107796958625538426957362632106851744745764621743718577647059655736100633938049424877383648188102452331023419699264137034277018251247566146701723909643787986744071877614211285136619155928292411765413066830580137201354263754344471547330014990268078299714039400093669493019164731989616889962336172445489637913070213982642660018874746921991430029183794597058262184448820871055143933451274608801 (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.