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 #1100000009041145770 628 digits created 2026-08-03

Value

1938271672391771527892107435814515336401820997787913756443431245206745905319349120867669779844653016100496178387114209541305315563765704017839192813773467736052399643190612576176266279852763416383981686051036740762890998388318978193788390821892819732832193889409546186569790317130891101605790236959617265923729242674446531216420751313260106031062586497385133846656376379085686200702771282123451868241621644510309151493682384051117676107115167409966987948772766930257150129094375426032012191235481272837552311678565129479701817477592781607814076906706092024973145488221651515163863710049801626022427762576563524306090256092910993
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 56 of the certificate chain of a 1,298-digit prime (107 intermediate primes).

Certified number1,298-digit prime
Certificatedownload
Certificate chainshow step 56 of 107

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009041145770 --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":1100000009041145770},"decimal":true,"detail":2}}'