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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 #1100000009091077600 1,247 digits created 2026-08-17

Value

70074580765543038146908587837553538401035425746729450406472478326260514980830344720926789990987332834079553550682130313819121620604936663247646965707212074536128595980473457516202027287217769101202687983635421211822879327437639702601425856927021164415558283110689149416436653125249869950587300780217304932799139290488255500455699987967069215584948915346437743253750163219940562503799351303126246321789569189559606607003896251375360048216474003454689380095947239018464111677856276207132582050413997618014775496387704220766574768107479187754838841784993042172069371044109858041128468246782881506227648443735793467192935371830901838386456455976181887353741722881176208600771707136911355218011875322416548240683986871839784376024110516205097682154343212112205754204715931237577255122737170001949270621820933185396136562063643205395587247085687044086948439698550784632670222377320643580325912856363236718167103050643660053981698250497152250942874600010244672639946146349652249806417670651694050757708335421832647774223659543155346627461698518089405233805102686073090469112483238638314313235042617569187231438931114612813579594623481207134150349956397350190174217519467857131122126937309559081772374539869254087703461217237472941718262409232804267356107
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 74 of the certificate chain of a 2,084-digit prime (166 intermediate primes).

Certified number2,084-digit prime
Certificatedownload
Certificate chainshow step 74 of 166

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009091077600 --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":1100000009091077600},"decimal":true,"detail":2}}'