Factor Info

ID 164251
Size 514 digits / 1705 bits
Status composite
Value 1287162753510068203911306520518462760440143511980865247714659297745817490880400163558868972451236153234130504801461805789172018419634712572966419337974557962336589836159491032845663089067751552523859041855099185421850093738639362013649018071616138059850408552062599747125019048781653268103793726635684864097754703280427755745318459778711025035591998091155560312198494502823398993739988393224345745307083724905477842931005913473671060399947127242660565266661822481340885151971468618936091136759913542553261634653951

Factorizations

Primary (ID: 163520) 3900350408237898825485900551 (proven prime)
(ID: 195940) 330012080656000053810315451710985110545045671475864538510607969478799978230595084166869740036989923110698561350230896765577378771098111295933611030299113952447711864479499694746734119961618228768078190012906601980259727103585633716000075345270732643622110637539208412252166621618445255726721641155494407322964042420248156672964395852458734551557108463845848504821742993469226299727443797801718584710110281826989118103453126403963352317445376887511908296365239495190284873747365502883401 (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.