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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 #1100000009040166269 1,214 digits created 2026-08-02

Value

86770765730676059702652855735007357587068385460600319177721928266282751624471005046783991191138976889642143418881492714443308149402203052824541519628478187521729391344945534430809952160465904518161069741412375374443793887372780183140263454738193063665133328582524312347223444113861786787149458165650806921356195974331367062677465949116972242368342886553812098282253172242955896804392174526241844865065795076410829874539208491090863666268177504562751956776517654492664208371956320554911412274355813924106539757416299478424103967326517622327480409904094700452653479284566700672807997415452539779486276858139798249789801458979399071830303199753933831126218900307718724541238760533876073186801006725636297028207830715254399504881803238557235558844588293838440069351607739342855274695266846948600376152965987887737509772679610908309858757724837180149499168493428643442208981422284085468086543522183527250454205307088335240290357222896540259045078843686821725977998502627636752498827160433330788418253624719185465958539430762149694563670552878479479743463789024595746151207318787056305533452560110719723172753990222586595471122867994524811031407021768174833026038984112213842697135038493620593994518709380203290384708933
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 5 of the certificate chain of a 1,258-digit prime (99 intermediate primes).

Certified number1,258-digit prime
Certificatedownload
Certificate chainshow step 5 of 99

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009040166269 --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":1100000009040166269},"decimal":true,"detail":2}}'