Factor Info

ID 51542
Size 645 digits / 2142 bits
Status composite
Value 494029742039203351955163126087075507111759786212701894120351531549589580762245288853361212394829472644069736549681257833496343734187326836678730385767736984536327166858874346371957144043253883978176000142405134389084050675974580646309242931808548016066426645952215013995820641203850690356096820324985641829944903974203292683316613502704172145945202427726670022582366491766235861010109352368791623718433837739253896733773143856919012206048334513723651761751677165799457569046596588744319156273292890455456258824868536377830463935209425347052153755665920812596621888179825502125436792944631848398769280975941571740492429058670441652029953430718839

Factorizations

Primary (ID: 50387) 2371759568436871497727 (proven prime)
(ID: 51543) 208296721393559252759947231178416986080166641219563189164298085060646441909967930674050524176368839884646375913303511410769095798936562880994255361252647250618273344154444470973680106012047540759708512707382571008841067818290025757799282585178704455271031746769566186933175372848879726056471455781478053074672589958617205392018628944441898651635078843563164793246528416750760925713250202385411024964918980003596871462644233242912808140701677486907860033705120872026863353888935380128248112012315518324063073186409419662924857864701806569560882401120015260040728057157241016251121980603680078413525312912945299957228920389257 (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.