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 #1100000009042557896 566 digits created 2026-08-03

Value

54728567883706444118608020505806038824838246239647528054679975865305831945741443372543314417970505192826334299412633781164294146933422085622662282348894165758274607669637601506201664842382677867738958120723026639906104915381565732004294844846121680871596448335484385977365909013543733555284740054032839696002992408692868583276165550375052102775044172817410175448783525215248199658636541827339612526425202788395583376037813321354572183452571873198332145275775383892310479101024874024423175468255257933123584199502769234949614837895359880468705429784013458567281276479
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 48 of the certificate chain of a 1,329-digit prime (77 intermediate primes).

Certified number1,329-digit prime
Certificatedownload
Certificate chainshow step 48 of 77

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009042557896 --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":1100000009042557896},"decimal":true,"detail":2}}'