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 #1100000009088821250 915 digits created 2026-08-16

Value

113415883402309694718197297831394523102345705259743358201475894401223245959624874509535991275645188049015223013408761356957325981005681775532199224878545066341827792394594459521792368719427564521444335842723824981003353210266864318934921058363688700456412063379498690149063854005807613725729020589052471976247362319438513213678972867742298806898070301722552881565385863186074961536829998435621240582518583730051019109480815830643413619402231589402398649824247496940367757304350269430351443623934657418973969767973822080510343667745688809944695628935365966302408944125151514575594469260897763581833898138496204042187885554674803888216820054354712161024539671100696073414022552193318796842235188013619664000519589219466593668547360474101813508257532058307811331739456465161124816012710960318020558968578500624013066495951472176915354242510639085355925571500098128480634172336203973592653105483880909086450591464400443
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 82 of the certificate chain of a 1,976-digit prime (149 intermediate primes).

Certified number1,976-digit prime
Certificatedownload
Certificate chainshow step 82 of 149

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009088821250 --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":1100000009088821250},"decimal":true,"detail":2}}'