factordbrpc · fdb
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Enter a value, an expression, or a term with a variable like 10^n+1 to list a range. Switch to Database id to look a number up by its stored id. Reading never stores anything; use Create to add a number to the database. See the expression syntax & functions reference.

P · Proven prime
id #1100000010597256247 1,955 digits created 2026-10-06

Value

18703259287434811761131758859286604285062570070616900954355681319779521047873645169399027145246133145890025900186646550111709523023002427279929666233343992644889293959376786194984586274456459146352437013425951447933182922833160088538365021198071287631985247394281501201612007348313131756467458330666934358990319378466032294246559837904358288542297648131338147586760686973373894228953698314859604169114012587686998386656725625934040631293430174271059444024814468144748079866387642275265605649635288643643851836059852320944175710577147591140483436852832612564768835346210205422919068339518240324364562288221380117611972678152086506507753767161454662387438941318461920780249400642900032205552079806837951354122069312958579144904044577263974901511501634416933661844870142356261924709927980221711827889250266807966850752834452589268120099677597463070993137460768043092844176176394384041888603782589657372426713672037847947335469698555936490191884763192919877076735613466168524684789773783107367177922264859686270960792460136603108896610481435071935196033998406014229108293005283996415645611462163122774262906505785451867379340155823492905250672444403176914523450551598996185568320283408395216553714365259815986539985313111818836617273228445252198555940250771381712276407295615110384649190361995788519819426609460348628394597807664081197817465631993661394132048056849354319965341654666786521109689176745958668805119342434557267085135414890485661762314040362898885246747768225766179234270759778402177709242576245762222795404362682800690894682547231649117266884982544896606082120343280542987600872075731577429577849481446675340300490988356117914655665439725613596137747339757314640905046930151887151308561376258296781901576355150623579627409853801726695116083278374968720008357417023098354159776753823692192739673167114771434313679227243958000540519640357376232841967031054808037784331756218738665203679909090589538047172731375472502469205646347960365687769141279
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 90 of the certificate chain of a 3,195-digit prime (238 intermediate primes).

Certified number3,195-digit prime
Certificatedownload
Certificate chainshow step 90 of 238

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000010597256247 --detail 2 --decimal
curl
curl -s 'https://factordb.com:4059/rpc' -H 'Content-Type: application/json' -d '{"jsonrpc":"2.0","id":1,"method":"get_number","params":{"target":{"id":1100000010597256247},"decimal":true,"detail":2}}'