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 #1100000009122751029 1,672 digits created 2026-08-30

Value

1689401952838326212877368970121644336547439311225779846006817803418615285781782652089536607308332807308738943713895922672783607900605693129450669814699053721654380872740309651271056470702965971161514620098989358175953845668328911012761964641922448385025304520877945106566480435884705909048467550703029052451368793965285524709480253391928799534480031457900128979670581938863535341957276021551217060302898843714475674709478501926596531956078716360261140873574329916920025997922215410379650949283582416303398946398884184178110072621142346602568967781348068938756106534971974752274350350030912495688999339227764560847384361541394642833661535831828312284471993715147792162136555991987805736831434151834053562042262344053825186000398762320720583116482366564490489522188574196599378527232698901280651204733477093593544921695195639267650269147805607179176286277861964127001362141517084653573530322156545711681873866580823711788119748650319894421658410685900385480968866841457020719050672874472403017998363472612115628599040653021866324517268504058649611986085149036552575693526423617644360822701149589956103910107925458921144822111472780892887409284748880878287986768232146556748336882947903737263778137201710218885253661117372813815416884877730071255134926677225562809113508912641069186656855968304000905982015792422915932068178265574387570677989538381715871495132648165961188547064909730050405881387804206916775799871307194518514891210011404398737468602310804340191852287714179003011422418531595132145797694747780599412828902852606225707193879415438574426973251638897657127306521749981225045548387275457639983663529538477295753029840062314269721197421880260109380952128834953651
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 56 of the certificate chain of a 2,256-digit prime (240 intermediate primes).

Certified number2,256-digit prime
Certificatedownload
Certificate chainshow step 56 of 240

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009122751029 --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":1100000009122751029},"decimal":true,"detail":2}}'