Factor Info

ID 175285
Size 491 digits / 1629 bits
Status composite
Value 15651655637788924086931226505668639377825983847973856424890805863393946040903333529247215075491852178873275085410111943669268669135173649375664120188130223037175559228558995483172347144970314914187440250692250335309218200197131955221918955367408507788370223969829926145518626916657045368866148855022891466913149444599657162248121659308257008011869174585844443256891265407787823467457903969007697435359144576887425530999536612858234463435716822828815338107365345988010836215280889529223884881

Factorizations

Primary (ID: 173944) 792496708626424808510006515271318699667017336298781380417961 (proven prime)
(ID: 175286) 19749805226215723447508776323866189314835249372865518551849969749358923771224949185637663016727907120612491056572912519398086113990993384261728992103570281289409198240427642274550230232531872072482101025249139223521807281548723589376398938333086626222704057525967022084781697491494188341977742818655362368135470415768985015057507318928711062941795346022676544863650111739263181029512575739784364159045840660454065959873161509935721 (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.