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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 #1100000009069188721 1,247 digits created 2026-08-10

Value

46505740263469870334645723814292459824444310680858905988165803386915206834324152131405125993203412515099544126746501352680657163257693571844271980823178290255202656320931135386703224791964966563804418382777105434810368208437506496178736712293346792485358448550774972217259763559572567773873438849446343619719784133578274406317307686416420562605869144040685673032330076947552280801856679084743116942564052962352198899876798035907889521513523856858604195180206387136963701699503336164393021951507538149232377139544757554937678415122525792638335469688562237689119950878401955514828452904582870145457833677552755303401892575537530319334495501877913325290456253025773067655961015112655752564550524659106357168149713196295759487239648014101900525993887067189818817047750471947533267533035044489322742184307227004968110288781077100460154493421030016930395646937498325009623845507552577411055197396065015050987989359764691752984086660831284829232424534090253113997100867835330779227792418803495478891842209018718658203509703179687287933622535000501814401180426207500066573458700014091713461652094177021717938232148531164195272002282096468201288257373290990621401093186250482960160060525991850198624865135381150351869637133422280082794371694330507890543309
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 43 of the certificate chain of a 1,754-digit prime (142 intermediate primes).

Certified number1,754-digit prime
Certificatedownload
Certificate chainshow step 43 of 142

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009069188721 --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":1100000009069188721},"decimal":true,"detail":2}}'