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 #1100000009112352781 1,525 digits created 2026-08-26

Value

2516585612542367341171902207426585134488961651302291391118347094070934094151908945030272640906841069686689107107273911797113336568495310521391987022538083488498350225860914293968175376331016358245517348523721221214665775603764243751551545435020497553906309684129423928467887442191178025138356172429443747622278561629602765434191069985797721146910889690605191519142462215013214332466769140065975856110410751118504983523947669680125565994040729689096251322525356043445936005500775847999654313804826662884665431235750529792792644674836450446111586168888369794633379949625300546388834005956781664885224949879682226753520816453688046269578863954165462976941912001990091592943338747645425187388266938426683473271309485537552328496665805622730212138782099727323558168729976540621141708433034494267582266545528514035797660279176323607649480466678101347154623622678355885430624201621624222454911446665354795040974346647515841404274575940756012095843927995628086927987898274302848450478602497087157844495450949070018307871361216454785393427561747933198471443226109374989829226053179095978343971513497279532618273356618086559699604243662202097038380372600746759246258941834624429808594407703591421507679921767136434970452948018959821957630702367380157396515712544263008284089725674955457681014171483721454387770441637719448772942074341937226726033777210470713016868961365461146713874411010608868903771808640591188466280952944671694117015155957057716944629020585741984379189863586681288732117323754544336586340354971276386835753346960593
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 42 of the certificate chain of a 2,004-digit prime (158 intermediate primes).

Certified number2,004-digit prime
Certificatedownload
Certificate chainshow step 42 of 158

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009112352781 --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":1100000009112352781},"decimal":true,"detail":2}}'