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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 #1100000009080761595 1,231 digits created 2026-08-13

Value

9993244682656339419294677454691302136208807708757894505768892216574562415311642406386034515997553508744161586704714816912316329320062160149307256740443883049774684630918497605471792928492283859953726179973516861238422106035074764208613148196574916959952809321319280342666927130530424372094202191714154833420119072475735222401373355118115125759464294253990516575581524825501783754094288782615768406377194896728909958167841624495552030023927415643763025094349261132306397770331331189457188086990131803074858949088658908429666495959340964197154622943562653548432649306596781543849853247042807064502881998459781871459875722886188735731550446599916815514713671289950489390457660849104019542782443926893677391460056413084200677034788242953524402276492794838822455552009876527047924456993759253013611269648506671724482060697882674378264228931134537660033922518666842108121739660691171894490489468357124424431176474950737455501151055578878629176327808740782699530598274052029901200726554751650872779566834299810376707139113642582777559151915771419554173579623742741442352445332395633197212708507059669259000289960671422573378005261412910532166002521325212031326361390309651115624834824352543789658537688232995293237543237516266772483784963
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 72 of the certificate chain of a 2,184-digit prime (163 intermediate primes).

Certified number2,184-digit prime
Certificatedownload
Certificate chainshow step 72 of 163

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009080761595 --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":1100000009080761595},"decimal":true,"detail":2}}'