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 #1100000008674981985 1,351 digits created 2026-03-09

Value

6924956752906843371637947194334977581595703553999654257562989460972031121029508659594646156292304602068292818648519274753788500493379164764916668318949334120508402319617382670670035309575068833377763517675306982191779322045793854370499031012018414529735254398309943552905588375467863157601943211157588667035746935655523965543089434082268958483278849432492763900869792518372031719276607209213758339649383111118219369918803377502308110728982991422585800724701976766379866649773103549889716038216268363300904409277726444459812691829214020137656486916146354018888468659035043246621725109806855413861089862982334763806296232078497313775152603065664659579368501782503055799843712006195998362805687096464424539004309374927091756632981644727429629982329658751760853748354864277247658685642020742357821966004911325172861401838414273460674018104021386462330574239330431666501120907946533461390647523992089760737683829055874348843291571624337328918853919948632950465496979278219636820445045168598814523648966090583425434991319943644144889609061842487036570960436678115501525222227141862169665840097356559914368809481721345184687280586248766925680319680169956084631364701404971673162641525968484786444802625559746898254595163503987741464947764535427040111807822525376223442975413728902120937362170103759939667077557826897213326082851714818657109484206032205847797
term 917^456+916
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Is factor of

Primality

N+1 primality proofproven prime

Proven by a Morrison (N+1) test, base 0.

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008674981985 --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":1100000008674981985},"decimal":true,"detail":2}}'