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 #1100000009019874376 892 digits created 2026-07-30

Value

1974092720662364373440568184202888442613136517856650773906359182206840553270630946725762932127885673388489926451514097038689237387895781069253576557155105133315275336330139260789987304671606296330391126009935738707251673133082120312213280440459935714577069369521175994548956449571403226455733683772884909235575987119467994656920682271369889166976650818534530766247425162759749393514765755145114459820130698374775855496426818911088864875488615622392482578375630914885656817633342663752148453477294603032985956968991147483886207659959924298240584597906156278879526854498355981489743677050209409043294887410034145108128170080907122244131254868856377651499008506881831941270805433470713949785079994549624336106738372672959764561969393315882955621882852461631697678619723018491003652309493804843504431906782838426370762240493905067919321661803128486804738692240333871031153632570596582814588497499
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 23 of the certificate chain of a 1,124-digit prime (102 intermediate primes).

Certified number1,124-digit prime
Certificatedownload
Certificate chainshow step 23 of 102

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009019874376 --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":1100000009019874376},"decimal":true,"detail":2}}'