Factor Info

ID 53316
Size 486 digits / 1614 bits
Status composite
Value 428363168231123351823336210796439002495556547695861526782157630228413693135672097552577588291359006936585298663990780959474475825232780478510017632427674943438649562004475863583438867267691868566334804882266090737514504689261790067561314710508469139397998415728833539155285088812409437324960882730490011137333818258170940916467027509470301999777204399416617212819775325198037198525715682683122053156970155568904600363831875557193428701408752204812151778143129702389077808570496378836673

Factorizations

Primary (ID: 75956) 16537237851564688924261407041648853990657743 (proven prime)
(ID: 76685) 25902945345288923212519076440157748307816194206100406398991659691874946541891163686887771948299005303908855298551343749391972875862615377853463745404567701207202422657684493554446739851084945375418141907148658733093878594049720572399632831824212861077157761811885953358485552145214857345589198707995373000594816922492112282863099269791142671949339678499810452967331391059134968225121164685306836815282980023468334759522154362868096074207110511 (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.