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 #1100000009019702085 984 digits created 2026-07-30

Value

403258842023305007173791976089290605498558021811605840721022062326067313340390144775180732119860990906874420785424964636610284390906465888441938040380145889674100525705996081406859149757757544637046300526547564675088004147736014320874207445188739296363848438896094521243189364456875463328103679288669470076396045276525358046848614323810643029971427883362667129427631917178471742115330759517013048783817749977938993761106503130343246166629122581062771278929733342287231740387154565836135132920096704241238609721975513153797464804351544147923478130416627839487546260680996824680076754878994251197797669706898829983606625548086273933516603666648670690815509334273125358839198493863998145909578495966730584408996391998462707480641718642656964608689826182256585559070939108159632580353440733237545666403870307987574443926091872578696501352919721598383886081224017527782011365835937348743019895834785786978548678162137930307107633986002212195785722026812847107620057535380969353013854143849
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 13 of the certificate chain of a 1,113-digit prime (93 intermediate primes).

Certified number1,113-digit prime
Certificatedownload
Certificate chainshow step 13 of 93

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009019702085 --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":1100000009019702085},"decimal":true,"detail":2}}'