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 #1100000009080478036 838 digits created 2026-08-13

Value

2038178389054818235041472530627198483824960087881854852804228487258453371359426759925136947312846781901349527943594575126865057560220306909403721031671636692539723280183813560094611658749230621593465424676252135238237727290718649962403129120843397033278584893002573934777556022062540670421602619984320509297864859383739139781809284542865911398915996157532181747348666612316263929774491660356874148815683752113616399799047723173129020761482269445718113961749424893740830184344127918245781902590983986207952740124779503301101674011743814373026645856656152188066304977668726228484334242829442041410520627079965943286620179303278757908235663146809226445508306208271300246116344455282435843688400446749301022066912734603337581212391345052033280102711205534457670000735327792554077082651272770444026607372815053801124267421976809115350680579621
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 87 of the certificate chain of a 1,923-digit prime (151 intermediate primes).

Certified number1,923-digit prime
Certificatedownload
Certificate chainshow step 87 of 151

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009080478036 --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":1100000009080478036},"decimal":true,"detail":2}}'