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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 #1100000009018953850 975 digits created 2026-07-29

Value

112380116283983534278536279448257544892245959621630851848932584540428190499724684019487745310579175992547657705750054469747578525709722024978884748153618629996632329027276946893516048411535468564760604617908907141736620658710962040787669814486997024479529059821394908841678561600026656232787118011337252510438565440341474274774468108409055954683474845628203075373247674024573565590613732561632846601422714653575582644576643553087641940626781307656268572378521801504902632116911787993847493567445717730987262582749320871608601672319384549942471707716388347676784604598495416601219455582726196839785317423854187237711676435933043998944065456130183285437244477902865397338730996841024343761664053443016935244987054808649510681582441808231601174055099710440181991641833870496852744816137039618754671752319479311055185803906797226967633814597098344261406177681275341125135785011502017085522192373059430034092862711211360382722545872386395744396271022167894963562519361590200851893
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 10 of the certificate chain of a 1,055-digit prime (92 intermediate primes).

Certified number1,055-digit prime
Certificatedownload
Certificate chainshow step 10 of 92

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009018953850 --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":1100000009018953850},"decimal":true,"detail":2}}'