Factor Info

ID 215720
Size 911 digits / 3024 bits
Status composite
Value 15766220559499993477228476385164346563760406187383934040401882450175807931853338862404907263541297522403523868311317888219233052375333807504994419099035051320437543005893978811150026766805332046302443631914130927252919674498562137177007950735919752307535686895416172106271177489221875219268972959537465028277818240716364831934791366872378363725319189166427029317489658399996748561271270591781372448867638961597262237762456779804594680255653285521732091940952849803973130559832609219908596539056647854640214062113648079039544961682908404286074975807177535997413466623728695626447413315911954650116096092862092415933901578289751541998638361525593249176981464846063622962512576514391196206283681788974085557981689747466150645015714079596547224691765554876995450866252883214540567630657329729348224541570329093583222926158498771386140254662385490287008545679887084340863932446246411911804773220055754959848340796803

Factorizations

Primary (ID: 215721) 650188895082938496133384569571 (proven prime)
(ID: 215722) 24248677082509759977953867747856756655778257283328659477529965044475325586102509664474090157002735801469769715735306233092957203769734734031391903860741244945479568682066028371449340995207070435494874989138073660718902447478262196233540405371313837814957868942326502616020915163334780481439377189181015331767353357269219362089829995662032705756828564782239316437899312437584191006032914750782173006088639687653931304663918601528597279564193231393031034609970387573087034544765604595835847388431582962143681105867295832586594051221859097793268365195856100369301015812848851783363236213597559568380660749202554370702258062885744454662172954983786922355443196711879874373796442861124531940253585150733003406790568459991839595168905705043715735833262392131611312935290230793507259773489485741371344547521019698447895521559512047511014456858644659999691486227910190998601811091293037793 (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.