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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 #1100000009057963713 1,710 digits created 2026-08-08

Value

252119403497567796385911687503251243416115596840002497325650275845875841282985824170440767589405319373019457064788241864272156459123972177395217598160827156161944573202334281672815743977226324849967655846620981496410018818866834560183275509566777686089378556659952638459903572487671553763102829177391350110363546568600592531204717707253193543108704675671325021850040862155205660650513355069833275937893372398964471391634244967090065195953655177502481260295365749031161454784827895916935694436153193027950566961685636920934414946193645969919820820206244608731114672255836775742589523393239166731780890782295879779529560598062089677641845688880795801866401280969530973505081140558260826494175433957291085389318031528471920675310858382992666067226624409535512160111494869193313168135410055117063558038131683759188208275731792838223053698951675580018629034321561094875349483145963166243032210318226203080485834025819793810616574726318347776382709498704665700201060026673531318232710158265065900050797121758848766080634426843500293058616511766062207939887500574038865162714794223996551855713049210378699675665140661639698015142525651373986184634516180062996309362292358423434748269876350795391867072748413017695715224464914153308245380431630971213547862967488763149590085625684468452554397192075488550840136808225627054217111874483729307057982517236989954032157333250811929853349096609711875431580731396692580514571214733120230983861661471619679664159074649515769458252994125547033698222052104529576317738725287311469994779023622974643098397512790316937503451564809048465109176872655639300086322539652458498646129031800829644310181486038910288099292894399898625160782671677931865044941013030866217765921555543901363
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 70 of the certificate chain of a 2,600-digit prime (197 intermediate primes).

Certified number2,600-digit prime
Certificatedownload
Certificate chainshow step 70 of 197

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009057963713 --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":1100000009057963713},"decimal":true,"detail":2}}'