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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 #1100000009080477990 1,213 digits created 2026-08-13

Value

4334928059582758836717435321780734274430516958904349941440414108495391200408031536593801500068396462156202340637288502514730233477462935600135601590018287759862372561979423901680255257879892601809802507407525124448183499611255067065373619402539948760702017969348149272243590119057388039633942755639982324688494784206956705433240416348998695189164551742579343331903690210861697359926560541914284038699782737255298264709188504703615286410256529151531606810617070246721081756517031207242422229870722814873957968629227599670827844007705192813155540597900096421419447080079218108053825644775034284321781201267320207265289061264123350788780273101597739237044425751982568179255045782289671955294943167130913797038037480786150921318021969868963350598327242340149127122629766903405271194759981828720749324656762675120104270442988754836861736762147582041906994166503285756251645571436395360015329033196255534262899154114909032867596724556390151333967857859736863300869571084973858913188269257749821554874038522216087006610208402049154498368458101752741463408543972781180329493467479301744729919835156213460070128277319682461909875907410123106464376085819060882992020250612027283978617307133375063975534217985806147838537203
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 56 of the certificate chain of a 1,923-digit prime (151 intermediate primes).

Certified number1,923-digit prime
Certificatedownload
Certificate chainshow step 56 of 151

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009080477990 --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":1100000009080477990},"decimal":true,"detail":2}}'