factordbrpc · fdb
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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 #1100000009077838989 1,292 digits created 2026-08-12

Value

18105182676788937800425674233496325574156655045964808796713307746754209032325259896655309532025522419670420507329416728427941862272014761394565785623070984729256170359560096870345185903145787616021517559461323344071576529946047358706368016550790772130240353002710440083983282847423024375236795606491414680779109295856239337606532162657927483589059769977767381478516679966392271954742526547190939114073425898807917949558965276569997629352699942998075149976621025517598054763059294057044804667127559554520261858268506454882905213730844115659251351077495510409332601883375868281384693357084594187044263297992906992775156223000263579398340701390897691520695774219146818245290175923486438753897375415580277620902396114879188292117137485173212582907834351157219493212926417919433357709415712851875432563748246144348898128946060132093629834776534803527144848128113226467506856719686420555335244031427340318941546835732640196227501113669922836161706478887171917076646872401579658866244696929901997525620232149840094389521675148503010157662774093402083385551943183346203342967772705558261441749869506998495187941891467385008362908853372424128964436799486920227701403940146538060008442490150924126845637376399891020310883230268621928573730545700620226250421563913629590407653917356631233782056666007757
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 58 of the certificate chain of a 2,023-digit prime (152 intermediate primes).

Certified number2,023-digit prime
Certificatedownload
Certificate chainshow step 58 of 152

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009077838989 --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":1100000009077838989},"decimal":true,"detail":2}}'