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 #1100000009127305851 1,034 digits created 2026-09-01

Value

11355259947023179818128962542270077804026513166269647874331600020628136814947288934049972868235982100934251714716503072931736533694238650976502099289817097139731074058624596425611785619139289016645097607661806891859831909618892719200821925648135003876308663276424787071545353319458649286853074317279329238726443586076296051018792943523309314757787705428316607955941952772318604511842816213210075553892638484959389223112370636216117805531977198037591460729162054410608397015895466540775378772338531988736966273730957606024655141227790700664034946365613766117985559803491829716557903409302465879063463524793777926203662837948287867111810444916019493658558548491200739711568086511686601786563350454067086202791249884529340832517022042023119291158139830389484223450333484314247357519468410681844696738471161835507621924888612639205302655473581617511741527965358565724601414390778914812971737472068556143668954402643742273493155244725429262503078388672031568515256549693674352880103845658598662061374452596900605556870918678376484812709121
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 209 of the certificate chain of a 3,105-digit prime (328 intermediate primes).

Certified number3,105-digit prime
Certificatedownload
Certificate chainshow step 209 of 328

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009127305851 --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":1100000009127305851},"decimal":true,"detail":2}}'