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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 #1100000009065266812 1,656 digits created 2026-08-09

Value

407347970039390800224207872962816272689052513398709080373252898176490105798743753393693957680813668367850777181081558903762793619071536185272000586735685657242701835066221496058048830028492579876260963495886382975755836247055112909732798437163885323110568907587087606503237912143271090229683350150732035823071917301957424451128325239436448694629906131194508742926995981409526222862379209349020629912480947631066649885008293060828011886683411863032099644725190272134181381777845696073391598092343266193817880119526055951615007249625774298113833167779008542567538209497340789708458127043487824158497769865836522103172797598556244415530768428330244295255855364044209385371455687375365733079467658602998510673779917490896764196124656539147298102697949732878207797169162995267739507650183031912678493053912469508473819253102133595723103739051801177201505144477714787950754756465105948623524749072149603301253557086208082044691543264830378112572157914846896272208535404260075922605983273599896590019040180166333726281350990781352715355002872724412598910541761389223047071716484333265669090170656058843653237819655321754484702560130765182746087434577289027799182794971063445722750808945560561868479553836383981011530211909464664268561335174189950344027813854750699896997665274050991195698660379357985190086031159268198133611132079859334306798508145833455304849611582139566150543221074903910537002719857759061293976878938590469303007540837547295182985213314155909515388829948461884051257410300200331723699231170914257243907316660035394183798920908082871613058390070500566892318016447542922159195626176984359681531151810616133675847072296998189612765438094701920281
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 54 of the certificate chain of a 2,393-digit prime (179 intermediate primes).

Certified number2,393-digit prime
Certificatedownload
Certificate chainshow step 54 of 179

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009065266812 --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":1100000009065266812},"decimal":true,"detail":2}}'