Factor Info

ID 177346
Size 690 digits / 2291 bits
Status composite
Value 387311569778795603849151811319846062213734354049834591542338335161574715514790336107752230405118701454740058147697262470372818290801094323749509495207484095667522197009467931987252494532472003432774157408250094915026215236225915367640906385474659985947829382856723633414326309722271940209539783040592270566533687607780202867872630545083604033981720206299120611968242582606167719794414462526469130171781564599757760105337718500188067293010290342513375171239961368285439374927981810217601311182447443746132221352565480469111059371960418494683301085641990199148348575665033181409276105518241980169936125332779921087898043120622370020373207400025691020521849898003433293844706314898550550175981

Factorizations

Primary (ID: 6741) 251755028858658462627642052961230751431 (proven prime)
(ID: 177347) 1538446209137065366083553969026842976909052995335583845432836092938186266674513384438133964477619580675950881298933200450668198952985280020958309813405675541807940063243791666095222622505728624422368040409984313483625303556718098281414127146415923588147096943392169619937457966208121991938771042402243433876119971148968822347050867510640247174621643520197847808239257114939363034588706045258960287978998488940958775397636985856767508426529651841220392671757393507748722669995750252127578414823761142732184649669411024205056862890834370659876488126332260005138385528287935761824011361784026727347602393109707864071583111082097026328152513830991240763051 (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.