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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 #1100000008942580741 1,112 digits created 2026-07-06

Value

70280088380872538716240608218180443780107738330467728536120767406411710592173677254041649792866314401503696585008806547785243060527462623686060628690738410481784308197765525140227501720197657602489384872605246884237489035817695398148076800934375780503173347841563225394816276475581376618296448797699961450256746818337907924500832327220627118917906919245348200908111302303937471264224703069820773206533024679265417172623824323434066848249501449083790361726795995253535557016325572682105883291581937845111489972680274600540508265198274154107625784804513287887767749639359255980224291359238926485885700123029326448866602180737444841880313822422239195450394435762814309070071066034887287023022884019335177869405019807252953089428535604993969141205085935580169821247936001730740483955298356921630744455597742171518140469845538553949421513013310331111630892387424347352722758327500248791162520800456902730646033932105248969877976782988114811404422849569523472154820082971321362279717710433221888369872589276692786564910372081559258432326976802817104688653073878470500940470568673081751355529536044262497443068577413837
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 126 of the certificate chain of a 2,801-digit prime (206 intermediate primes).

Certified number2,801-digit prime
Certificatedownload
Certificate chainshow step 126 of 206

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008942580741 --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":1100000008942580741},"decimal":true,"detail":2}}'