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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 #1100000008680837140 2,022 digits created 2026-03-12

Value

175451252622403004361056486835538743005557116698103014803099398447372524014343763652353233027946256555584476843627967112119921640821555986866592659752068558276223880702934316636457806489121205037115684795873140596718605928673687469443568886412236659194926832728706587523028114587368198315673883215036934056866652051918664832955277554160729298372197552615165333515921646261663130244145339993026614267377507883193297438898447276708685830398122292673757994243038993610922014214038040434531209170728774350445840931767815687735293322597884946937662594962711981824418958857927489449376451244413664805268040356526588946597031160563313564541883663009875762164907825565936758487139076971050490201958444927702483779618375765856516538452410110808951300959966379445080709910559481542419891288473968229773686081917116267053382310159323539744323421556031493933440946326213657379876160314579343055069176561908743313361510270856180873753722831311630005634581835677956407162156065175700634734098582150438155618630685651378370441507434624768755297162139088654091869209390483450451879906634463226117025828846295178362656885641958909965254688874740321740454209531989810846137465306448664497071925173268893501123907064370768749717477521096740638881827274980576646876681632827697502895072711024885999468537740194929404530831718363618402093782756529656356513949518338005173091955308483568535742530367166199171747882215200286737732701484379978543864633176043651574020668921927989623694759982354057849946950416466070150848356768944713295482709483677983441102334120029360983699106033381633449353615227041278886372999144416819618294028618091930094951543529033817819600786891419269478230513514037618193817168852838434721960883707648763969293566410205389366548898050725224211598742363135845207116882126885575412935381088210854084048828456523474391444012068942841896852505939485700627885037484916612291977851312998126908342950016238056738311656316837830332142659385938258996480061402868034689692937924870660133324890177981569126506431948646298532611433
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 38 of the certificate chain of a 2,534-digit prime (164 intermediate primes).

Certified number2,534-digit prime
Certificatedownload
Certificate chainshow step 38 of 164

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008680837140 --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":1100000008680837140},"decimal":true,"detail":2}}'