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 #1100000009040261147 585 digits created 2026-08-02

Value

125161902713627112196819841264473069902308587512220954565320528134650210724651798084179338136217019277396059524433380557720259187336299466657297484922934308050468322034063416583688732016389874458305915617297440884784675998900086942965769636252641725508413900486353435372037112861235852546689394241778393927507502081963612120835546608895317591138861787480057275092135061082895638530526118109800615431942130618377234113623105317748706044086673257534885764867572800490365105450240333810633812575079126026634098335228766208142085677297480698827838122489389256979857171325851104416387820967
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 63 of the certificate chain of a 1,260-digit prime (110 intermediate primes).

Certified number1,260-digit prime
Certificatedownload
Certificate chainshow step 63 of 110

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009040261147 --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":1100000009040261147},"decimal":true,"detail":2}}'