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 #1100000009077328840 1,932 digits created 2026-08-11

Value

855565360258324270382421395497960668251097744396918556888596753773293819103460487454325930155357730189066462096054169371733087949105428498346342784468670312540364941723072047101592009946681345120646659808765658300964650038938746663233393422309386730159343348893258604088130849415265706224977219384154013381010897389266751531119509804967332135167945575948805714957329503109272795708075809205763933246935256409459650765552902239518603384984147248261019843872165039821548775075229124813670869180008737196451153237115421082502309717795195669402167000831755658061613633418197720617146040695460169173336808964552260562934963366338152485651210319265139725122373139079919570919985491179337176644043624318538897274374286030231450474934924014060307492011270161370521775978644224285106143383090199742185163164429774818646602587948513769702797025795972370746794896085983949807189156363825442201407524259706082074792190582097300984644680449992654761063380361752633694511407642077274376238624495011815529220674403746482579945439973338858080585734201820425661711036340358556865118291054314481750367057393163922209755224284499534556285206909849702783790670861033990455645688615353740255475699855320120732413540615322244992528482581101922289175284830412077531466515892909483656074866820260707226050114934416535054899388966150033781355626559342299384716542653059362532722614599421284317931311564266368384436026249212960952823288801847644961859099810271046803546129068090663869425947153595057436715656796031889209359585183171990479427459732906261202784694436868718812035783304480405127243133221012498026976006616068252760845427169286698257041429671407170072700783864713650771410177982801704352456070900359274744212536262021342064188160386674097287912545397644705689264467309549334502016465141883215515405156966980597971273827404481732118004611649975970290582670716369404817586066018090162440508765629105640973734592253443425264361471638402268834155211
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 7 of the certificate chain of a 2,019-digit prime (167 intermediate primes).

Certified number2,019-digit prime
Certificatedownload
Certificate chainshow step 7 of 167

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009077328840 --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":1100000009077328840},"decimal":true,"detail":2}}'