Factor Info

ID 91691
Size 839 digits / 2785 bits
Status composite
Value 20508220764366700501372275166500756694863288347370053670458553351071002379000384254966989388205040673148528456718939028412216133404103129310319551881520081203535787297013683651936936720898370431603590650174616229806322148040648790540755404823544889895545356146182014841333360661829609213538168854023979386175384900295500862486002754710197992761239956803566888250211142081407097216724438208628946727608466949163546535204484829058631846953231403580397222338407678348328386799103526678668417460912648141645149444137708334849890534567221745142986113243196617969321438687596793186960283783893432712796265652067790035205368591134221617387788586133902012981862465954146140350982494940217339273585944473193502618710808784250051787693617741888997521091758415741032104514159935119338853352746478555110672114732184745828626258182515388335601206377843

Factorizations

Primary (ID: 89915) 646477768184104922935115731396719622668746018369021 (proven prime)
(ID: 91692) 31723010092013462979769844084354737906426627497142283238225799369551173532001064242313960432311481617938498152446209399447686472409244799936606975849984618221204022456795523157498140145748718561064445563194082485015814217188854520609038833632488771654073206351061161947562633091429252977239581354813612590962867480301113667351899679398616291190024943182492297453263554306368945554033911858436014145515696401295043723125400965949541703598466956398912824249357446479734456278280510541134255418919223149686631101476050825610966713694600780466323748637194898276133463035098087769855133116026168502053895643220856840597669899375972783458349731531017203910860442453728116204791035079634783921400350645225406151349149717565271377892284057890146065916769650775937523339947879210930386633807707183 (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.