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 #1100000009084105128 1,047 digits created 2026-08-14

Value

971058032303061465268829177548443258274178541863293106710254500426025152056607363723037005677499244174329158732861755808203931582094451976554957290949066922887396340475687646343593361240210421444751715160856345276048453286621138853441749175029696837624536091592871283398620567079189996036452847653505192551234270789069235107996024233964511370187938753970589028311950749852594208326537506377712633514201933004479517717794340801257087767843576681769426030108368944792929924170237988517633702078421265014936329764793824415664693918777485280472795216881533886990591437537468400342912402040236177946329076403937226833682219335266890843830234452321856329802252828997454901327473208594956498913196019221853183220453276812412707158173317569206278596189013661741568590423123776257650572975097096865945028849775419171965876862786934275522047477091511139936198836368355704029340656503798668583900923891606153680980511718448907590621909226168795505756044016020153663950371255651600225903500097255585941347431667394165330033022385432040032552831466215042935509
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 78 of the certificate chain of a 1,943-digit prime (156 intermediate primes).

Certified number1,943-digit prime
Certificatedownload
Certificate chainshow step 78 of 156

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009084105128 --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":1100000009084105128},"decimal":true,"detail":2}}'