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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 #1100000009057729647 1,220 digits created 2026-08-08

Value

45535314157764688595766770069360868561732695067630407768113665470559641942900927817442902533305112529788632751552701080839335514903971348496571917963726956577986510704358985236884878047459024458514225592043523068288594319692949663774623452742916495487511067749829635622813845257791483834894033221748376610960934311745059218821739659972442378035883148659009015518887098497334572065228900965322602003341731276592647603546742849771947400775285345637099058983633915129811427079400537369413136637980814024919823193682326951228679443902653905832661346632758274925470180248958542488081161844861080521538185037643079381266063601487859130884453102543152949000090131696917336287082362387266198316418138019274092718103851912876712408800846119086564642101267468449439313271564793786541455848898991741407431798335997924512272310127406331288014918048994941405983838281303795590329021085426514893430516209581383914421195446356521286669675329449186248525271003214756600550516914300093103993517913155574043070534844427707097595501794674902679965915824696976965195859894269393388606530105201744290147911557048555154713499638690607175982328998495807695475743458426489686002415230030127023960411308478916326635034668247560562674913856074067
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 38 of the certificate chain of a 1,672-digit prime (139 intermediate primes).

Certified number1,672-digit prime
Certificatedownload
Certificate chainshow step 38 of 139

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009057729647 --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":1100000009057729647},"decimal":true,"detail":2}}'