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 #1100000009053430758 1,356 digits created 2026-08-07

Value

407729931437372642414497565476221125542243351647162251430137321836344775535161450749050830874999312251026849820737668063820126103916196869899837015279771934366851696495166329155694724575881124465938396998759316834890451155199195233721013773387827865589116543828738865788941382838032976972228620601212511237311870323370917044137694100111412577630083595652426464913676773632304265885529302205853551400433245043015944629855563901864340456943949085204373339958865536157403222320478807000503046557883807068349013064856761221529449654794989752398021938706005286294438825837797237979355731559089107624025820079654639346471761751200714441081403285537445100383120456547341030778717082648723078659637240783714650657858291291744879281362181572341931333730289125193678856818133960309101157373664609534175874480042230891549183240126891380795273077998104432950901955925771656122769154534766379107646237995584872110584144206776490173177293790685071919032269206341865192974602641003779848977831811732320810332319602193023241908828521122498842162595554789936007786426431942040083457391704727996764009150735796661036211209130199125820069381655302591950442484404706391708586355725603656513979881313205718650861608610058340836474503832011280288085493858279933458859131276681412998971373501999890489351011682208502772952775068095057314053846266373916104358000294552853328600949
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 86 of the certificate chain of a 2,400-digit prime (183 intermediate primes).

Certified number2,400-digit prime
Certificatedownload
Certificate chainshow step 86 of 183

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009053430758 --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":1100000009053430758},"decimal":true,"detail":2}}'