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 #1100000009071981195 1,566 digits created 2026-08-11

Value

426224397944125611637852476861440898113573485879621091704087914749164869522615970989804297785939596940366601088179362604718076499142212338774237351627267995141703163322078901648682986121152753350326828607118476244225152777345468012397447372747384853270380415142788575678700954885418370999885219265938291838565230320828862418540857124179415185682940153535507167653821080898803248472332374438432524095177978424123059649883828136470639781939216965028698963377464553003739279346683843156358303464336110533995322366860593823183354001603064902617021529810404216966851336786095329022610110254382478027493198824634796868226040241214708158637655900200807456796517638114012584244982502803452343491714029102088528433350813780082134809021890951149966771592200835425746581314795826106007983910187118441575207814188230310222317760482018925411159546344697888739404535554361383966060953432867903425866025756001809968500908629795532519404966559296969731684359524153923608078714461208814095528920588712928017991196641998249737137554480741728628290319202266081659313631566155090483913729828398562634889691074907821942201489889592253927537505993433253619270252107969277736373901700237835656590705422204937152628497025377678465932391586248701441261044583157717691321133577430540647706265661725978662722241486808700029432107847949331906210646777025476191256345293367625033244815787699855944371381547220766357675972874623038001154646336109173273510732455491010754657796466735462432712965438316459742383440500015572271301012384198567616104505923324205996192729568816657708782636846603493157
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 20 of the certificate chain of a 1,793-digit prime (143 intermediate primes).

Certified number1,793-digit prime
Certificatedownload
Certificate chainshow step 20 of 143

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009071981195 --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":1100000009071981195},"decimal":true,"detail":2}}'