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 #1100000009078839887 1,268 digits created 2026-08-12

Value

20216930396834008972296373891071249925876256816078963290634151765930528246416828201179264180513740109818280249613315654323468535322699191759452279471541714841298474074460588472992017100276140772222806974725596683840029545900626114692504921433664447232069179850771910747441761127821288260250956284574947463997042922514536192972609860846964601013931057763965641542539623218905924813597086337958907251450801824379560614964660979963652442032399579184448391749850350292009998801528457858997298702454855886555299726241553900812913168632069534910348233173940816431279838741925221110456877166450564796620085135224013784601497001623919860614668146138255305886604826362227432702054633866350227127813371076051217562874759063847254424605841605204254129903631940809608738631479471640882468100183619474311569340081451796051304578780615162187508249774153846818234747159250277756909500039519915574690786210980873897301508169701676722125580079714017226911804167448087244882491886684464808010993829354964160051155462410213612312831156081708848067372455230494220861688781049869753234423776869129807312826240400642678125604902207619829743451385545887395042940163936391324511851775870219333780784433721287219033863488743633523441301143701991410053207044266320488146370698234455529870708703
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 50 of the certificate chain of a 1,840-digit prime (149 intermediate primes).

Certified number1,840-digit prime
Certificatedownload
Certificate chainshow step 50 of 149

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009078839887 --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":1100000009078839887},"decimal":true,"detail":2}}'