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 #1100000009091972702 1,485 digits created 2026-08-18

Value

157478691858789044193807547070494995694259088537859490486379021797625384639923269560199944829524220266708498531148531518182473170281007751616499441713523648282722878416130964089232878350247554686740711215325719465639001056467356654593692488293936051477036278446638332227631472939161412513348708780547722628927159662500607472974802408030292537165906419249533486007871446703333921435473362337023514539360365706313861917220482828794032474270032029561787577909216043259025082868503214817008430172037110523802335062008632375597691326231309904803846874620248156194398133247279087457805175255182513118594330055411079336112933665529919980814692832734028326002963417290669725756950148546287253372927811783324269709187379935855456535058385470196836446073940792644715772489888421418943908005451158209960966270121948536290412063432536722805473219519685134322567698463074537235112228475264217664887684920924960961047381836676015123345112988341958290946499528003439294867291599561408945227366125659298605530663666861186957154211804910924964719419649474811635483289761847158319590527331194320060835185601581268703846837843187098503854873243835816972701586231693269817968770702854739072298140894754140039584327112418053742382119216692463058301915843083107779590569313640872318201260589877960865542804088798367387770582001324125446144520916448199051113934864780209952814372364955403392276195640524920421194166236860929135445930954022475224873837649012577467732858419980194748815785921151718239654953377
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 51 of the certificate chain of a 2,091-digit prime (169 intermediate primes).

Certified number2,091-digit prime
Certificatedownload
Certificate chainshow step 51 of 169

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009091972702 --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":1100000009091972702},"decimal":true,"detail":2}}'