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 #1100000009036789748 670 digits created 2026-08-02

Value

8281212584912694451726519430919877167184762726649508782195357004831162362697434045498645625544963314377049547832025499047893179301562530651817219912074294816065124471339865026349082349518701757001803672900142724962001883999278038387572773311429622291498485370570971959355626707625606238701836257260363113020392383950837160902191553630673856694341348813053278434953599379644245213374203475618500225530408926982181154657327868519965852216744470700801626598591479597809529300817477484453214555313384608071554871900017836809179163776253362597462316520512847390714280532216953267782563644558007060501365287496947333309294037637370861324393033331989221563205889203692380495933
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 49 of the certificate chain of a 1,238-digit prime (97 intermediate primes).

Certified number1,238-digit prime
Certificatedownload
Certificate chainshow step 49 of 97

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009036789748 --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":1100000009036789748},"decimal":true,"detail":2}}'