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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 #1100000009055694798 1,641 digits created 2026-08-08

Value

959736688351679723894424770601956571017371902450356520560116623813951153002242709960902597701376805871219392008677342640530665877483879555149388564136609447922077162008012198053161439796903635806495373250178487844392221277528394717135082903345938488301007288504055234570145625416685202821669618710009224057595011524589924082688958642369498416465272740384801889068348084483233129360906631609553852833077311843682669984331482042835032559821425764876701025014214121775785442189885333176454135905837080804562486147211800339588001705548045046073962941380291625653243854032127408441067814483833578336556224187271965607527835848364675052276817183850703723517699945644398122125272824809744531250040228293363633883298799618944773623286649507844457573688786717922547933132436248266000984758641714160458142008264048763055590468047023222711376982758667099912626981785512522046975850188271553064452702028306484004893320931952687617510476632473935000373014303815078167227232850540343222407070206798163319485785883042501012157803126203710448994492467099687623934977168440430351920685004634697892870864108340684338435772948278729690870537323217645154698048413382719680455972533064973691248099515714451159494029679747066723670573831445848847167884910350699459530267756865964402221407383122849246166896245501387130374234422194383748816665878175718255807446243429690825554813440774091915094538005220362818524993052114007959847229150307948162701602540429246873273109963912823845259690270036978112030062109827812390236925325207715322430362061196186274870375485913172570927678381548044715924930287376353260501966731661726239469683006095227245544645978393446977839
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 58 of the certificate chain of a 2,321-digit prime (187 intermediate primes).

Certified number2,321-digit prime
Certificatedownload
Certificate chainshow step 58 of 187

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009055694798 --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":1100000009055694798},"decimal":true,"detail":2}}'