Factor Info

ID 51509
Size 628 digits / 2084 bits
Status composite
Value 1976587704977334978300342810545708986788143672617497224081336770373752546418261163523403366305066398589666471817010340488630692216545641833259328901617973687687569203255442215868147984720997743634175567170954043990506492452683628479761228521860138059879189055956670577480141345693667079371157598425657488497831582261356183728971039593893533939630214404180492525719304936576647849725368958974810678183956491426701643810026628114047288721865935723713362310281217175543754519832459059668698413917004893475281599733973995570358771513707427439656745469046115010451860271993105884581324608904229750208000878337901848712677126489818371

Factorizations

Primary (ID: 50380) 1568405349185888385874441 (proven prime)
(ID: 51510) 1260253101026033649135019999627683992253061915891738912554203405922653088259130621948191547730222053664040719476821534190526955103246721119828765968248076181843464944989025416740428929331596580338829573825047963677828277141335293500215012068195769032757393585437976033260970763852010900050643972586534833841956747381438184625056399459931822579106539820084227618716923614462048779792965794810017085178622552033246037537779509872097726972924701688503640977360153863161583514195252213409430393087903191784064994294220384043795015018208941331040425471618061335343988822182918486608755366584401175684141922731 (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.