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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 #1100000009066268013 1,085 digits created 2026-08-10

Value

16430145374842960972157944811209959452422255266690694436116196162113858481243124992295774782893733689558340254912083971043181642756271336426342223879895129670003650345624190804713443530880789844293809978497646690916743524347516901964303407970099956354687655550824439653835355463126955223310754020435327691660696539424152454186347419324720807766760639829862383161699719547452312210486133491058888448027879050188680547954832952520748719061414791217890987430108672813129294404368318459028549652241270754464929098496878311952902506648987475081033165365097940097817768857236604542319764648432871354392276505298389246099269634854336900861805941425488660642791088782450345393405354866843529142765285632642954008066667050174154279645368358690040053354367664944487682829419950418373687784936854901022404690850452811292058713574520863078621174346934029355859199731420128073864372220128736315453393078687102644985245291041600285003814368832616497110524830751426557848712184098593168512027054295562072342111964907885959492325428203763172708865265365248943387648440852294890409914463625037959629439
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 57 of the certificate chain of a 1,722-digit prime (141 intermediate primes).

Certified number1,722-digit prime
Certificatedownload
Certificate chainshow step 57 of 141

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009066268013 --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":1100000009066268013},"decimal":true,"detail":2}}'