factordbrpc · fdb
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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 #1100000009074404913 907 digits created 2026-08-11

Value

2731717617239294305389982059115063083779703198946065272370051447917956228542774722247690666449711405768309131535421217237308479433271934639299173684679725472004202647884515191369547016110420942232774530231140734303024387157021969869719654418118981656768744207801227471784154596598968842274028495830338438152852973843857183257907881079718945373856968473817335776351031017443029310732274280401966129032622578913788268012499223975759449241053475896194265822524131261743583930380037974448821807241153653880260552646405770667734685428113686139318152547660110069543053680756961887488003180906765668483856354635405241789480682063154021272610026632630799533013314799097276485507688208001183017751098179310334233474805472049799917454113990626240025239135249625391624521331043336628714145230519078482333035050060973561551781776739279301610208347986437091360086801011333225044262965013730470653632188753334440100985773
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 95 of the certificate chain of a 2,125-digit prime (156 intermediate primes).

Certified number2,125-digit prime
Certificatedownload
Certificate chainshow step 95 of 156

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009074404913 --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":1100000009074404913},"decimal":true,"detail":2}}'