Factor Info

ID 155539
Size 447 digits / 1485 bits
Status composite
Value 739353834992232586492837428524777639063935562349753659218247837147335304339473257423862614973533344946101296463361666347213094273556188567364017772949137247469527025720279651903578637098636778116277160273665180931660237425752249565670920367583923511214914103138343551685855247057891697184660626695547884769400963568035692489430752239267900933040983500220551366623605783642814285384339068432890664652874877245531806462479400164053985010536591724601

Factorizations

Primary (ID: 154959) 4221639917326273950250434974921 (proven prime)
(ID: 189494) 175134272337583365623889760863208797967876380675641663626242163375227859579827745272467988765550777555384509423691570605096268954122989006623407965477383493455457016165002395965357437692069197176656707773945936843084517126881704522298047640761603539480650798900576926492124302079603929492518257352165883281779050351282338384087442879479596588707503249103596177143257945873643461468501160722938586582550813742629636081 (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.