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 #1100000009069676724 885 digits created 2026-08-10

Value

255947058504570569169818132919541364114945949298937814516338626610768162656736260073298365412975729563370438297017289553198726323153594551568459996066468885669022061527886765204491980268504447576360594927449451295204552062145016088341301702332518716026922915231535398655913164995870038126167856341690159805023584726235549567310556079099877171986586183086061559106737535398070575192891520036065431793174510446854629370338803893766583706573905606849107517064928750265865886112766268485894386899882248302960366342505337380116565628368778196892172973435549051974876068495916985117514398003301093187554150205817286294851882678719490947956600850238251103955287847470110429134975751650686157545332917170216207501745376499176042010704816295051747947737093602162188724820566377974529553617838720329310427468422281323177342952459750023432689083319962148031686190323243083949467549141348956840983
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 69 of the certificate chain of a 1,760-digit prime (133 intermediate primes).

Certified number1,760-digit prime
Certificatedownload
Certificate chainshow step 69 of 133

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009069676724 --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":1100000009069676724},"decimal":true,"detail":2}}'