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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 #1100000009083989133 980 digits created 2026-08-14

Value

50893924819648290879895089413076495142650643116674089157221787361624562103690079119912338881572167898847822286081137089059980053401629362009519579166193095585106212967249670542434249782191612774816894530334797666161206649002726378713922946244663339275720532264395621458621561641631060008150987056343849911048309263874091823749221874127209786458773274561638275291315698910121069009454560119777390435423801897238426377247617807939976012880626067413837076547424543006736463113774749279749470428927636689909362457987567746537161897223818796259535089154615094469594575301148566769905867832842305894706896478345261426340000155676952072482724005586078353426646550757987593637215118304412447756937657298928768051367262840210990026098147412901055247518694890981732233290462262366582908189118807332673274701757535449809516650105657984583368841888145857232660781569449451129326497306894720829581440395520925213258863553192794703806043674281562322678437697353534740367250951420401141183089539
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 74 of the certificate chain of a 1,932-digit prime (150 intermediate primes).

Certified number1,932-digit prime
Certificatedownload
Certificate chainshow step 74 of 150

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009083989133 --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":1100000009083989133},"decimal":true,"detail":2}}'