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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 #1100000004895220885 1,998 digits created 2023-10-25

Value

609090789047204909410625766903614125847378733709643731771979853560767337635406459133423630028818916489984532218890303724803454346769322502092575740955992470029224203321694984952898099209359721904233970962718539330601394280948773689227804334525179910348799812703284595099750878183895780291700436335177101853584909292278737663229504456466739138673177608519857071354986162006079101583649201123862085182832577454010330703503549036604392654591925338641832707126836143558740885584532408677699811065818865399812570208208963604878998469123295547933923765732759062882653653228684638943757902328150459655712480236047412270271357321185227907449551025929204997988527608213719588876554398826779438298718314387254431988922654505012779241773566425509216395831581175276860013393371702089919981545548643559857369315013024688350474582349391580421774108110021227545016019035062285557423600674063810895458453409575775845598194219965786292012324727143005736298792170765110182871598233866231411518609135143715519702757767788134948166093523088174320439433423086222118966123733621431623586548926622084930847305143680797649389562248921911773819814699873340120250785093895016127930998751235513135024251208640641294070907115191610495482894228383176245656543630676135968886132191982734343148772575158860699057986641730881797020986480339168087100948019142286967154531934774868194163170722481847148155685960865994695266251996050272445848485475968582298854267435790416226188376145163726061808798420270784019065158591713451482681593305890350154090930195241360649735627910969955123812517663314147041119790097577422741122149866945592265760498701637317878218040908168969686171518965889253764142477924274918415807879751347718441806668690647715208029755038922084371480764744843157917163885807924203454819846283899398529939327030376691873391398319238068337095848806227735800701191264737198903539233147491989119481444557308085559737790311620748171909364396154468264270305133030868350892459438496960411062592078691110568727237637844770199
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 17 of the certificate chain of a 2,154-digit prime (278 intermediate primes).

Certified number2,154-digit prime
Certificatedownload
Certificate chainshow step 17 of 278

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004895220885 --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":1100000004895220885},"decimal":true,"detail":2}}'