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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 #1100000009051100496 1,306 digits created 2026-08-06

Value

1228532301487910552367514097634053833645297532449003151774279609482209130138058779302874732574386153788461535937298054518995396505071317625211966451541003030873566864906490821915134647149633938488323400415833912801451661100148632931232363282702913631693741904530568807797936707038935717475604284232535823324167116244336685322440806792685575395465888575472193670325025843556104345388700799277824693601921319651617837192009570615150301333373003609550280511825591191280430368207031722981569186750910919906416409128613453529529595087746286162464736273167249378143216586034809541211158309671611799855200046392645431312651718339060225589988478843397441182011909911887407141984974417034292020758300233013101783987739697628850842508769380383381378786014872644181554594659265375588463700400855482264615599129719376701008902341869396947801073327402198171336062044777220787586293530074580585076169189133911327517500182290426264102122692796865417887385461562130279515750257843538444352634339127581120655376432410146213021273454093627244960415999051386942497342457366546092718606579629706214101085131009587530476837499391971470114935394918651881474559219887256090550248086780982461579827855168219170545862473178810955681301667445425766057211658386879166341172823369516546757992681989104582966887318131695084145106499741
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 20 of the certificate chain of a 1,553-digit prime (119 intermediate primes).

Certified number1,553-digit prime
Certificatedownload
Certificate chainshow step 20 of 119

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009051100496 --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":1100000009051100496},"decimal":true,"detail":2}}'