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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 #1100000009077022103 1,254 digits created 2026-08-11

Value

845063437875984891031446157325925178531082829005549851404066009134162535876620468810610859776206707397687993533155147569295704308876468229143317692174117147661768130878327146486424357488388505367686248495834807076540198202150601549059277470732579655315416430151214564344437624200963940681753441267375076810768792482552698590520043395465893330613867256799656659655265540878551460305999874933264181692300195552547582429421345648160797793502231019633783495539940648603217626882407300044455401309840126028322122236300645834526526507804135318564875995775279973360142380600427665160811713717603319591861945970019523650849941373646198733828319821619161199750131868992689032140317752866598558854507643863252469932729541659875896033614163010827647455348500040420196075773993664231615978019460447355771974216609522322033642577585991320617359499439612734718539139694819579541884197710380066007248595288955803455237385022425035791405976401493495912092337895484903956636616540083933546512740185444427437183483800046712166816621610502238196724593691662545964560182356648588695765303934424983587287929892425941500060010080114833931095309313899925928838889218663624775085024577293739495995703406728952788831861333119956512043891854128144483431826140533371371705614462791
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 46 of the certificate chain of a 1,826-digit prime (147 intermediate primes).

Certified number1,826-digit prime
Certificatedownload
Certificate chainshow step 46 of 147

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009077022103 --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":1100000009077022103},"decimal":true,"detail":2}}'