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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 #1100000009058005718 1,164 digits created 2026-08-08

Value

117025939584078483910297156868937256670638431613854982437200295257694696564221805987314579336700845338074898976916709898646783807007961933790283321993176939441098360392353501786898101641819663367038771026462935556002879933332890847824301652015926900048216810772282083531540382750965034811651381633300120151097506381389607637598720751620929038724814953684277415749970637520074919337928987104378955727951251365995390976980728017066624140559971291303912298251891317073809298745144912928591963956355527481382432820809532780957963260056017301936691045490866525979526765675813138659294779512696625341126110295500912846324183456559852616136669764817148421898009839401345358255039652503914545950442221956778285425286886338923736263331112636331676158693683305069664315347631793235325278362883436579758719955868933195554674320535637592631933146129993849595529335853342428311994255250918098587568999003113726352510044482660935097678736760232212191381392182604334268927699169959813923394581014117939166201854956191822439745730128176506440621865346233315759192304884096374813694868408499637618944874880389940329264580770042298403878348127313093414555805889088330659258290679073
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 87 of the certificate chain of a 2,255-digit prime (166 intermediate primes).

Certified number2,255-digit prime
Certificatedownload
Certificate chainshow step 87 of 166

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009058005718 --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":1100000009058005718},"decimal":true,"detail":2}}'