Factor Info

ID 51508
Size 648 digits / 2153 bits
Status composite
Value 773465174024871559848308504732514557659204603210722158006590798083666962104502894607756331350232864145570942234163586300030484268246029359949108227876024496663499745827626321352979565487334229154107322160296411035511986583214425375170807560284933605051129144382788605314362643498071345722062782240887170458522956205732201260139311826266229705311983407317575999637395402897467487818259045404221830149728452170689948872724703299056204468965783788529557514278390550861275456965517985597853786605378560045478089385199707585391618005632439382531858533490442626916445170951827060360835705298609134725323077886612359930348990467992511586497265301031999091

Factorizations

Primary (ID: 50378) 391313358915050362321 (proven prime)
(ID: 51509) 1976587704977334978300342810545708986788143672617497224081336770373752546418261163523403366305066398589666471817010340488630692216545641833259328901617973687687569203255442215868147984720997743634175567170954043990506492452683628479761228521860138059879189055956670577480141345693667079371157598425657488497831582261356183728971039593893533939630214404180492525719304936576647849725368958974810678183956491426701643810026628114047288721865935723713362310281217175543754519832459059668698413917004893475281599733973995570358771513707427439656745469046115010451860271993105884581324608904229750208000878337901848712677126489818371 (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.