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 #1100000009053895900 1,436 digits created 2026-08-07

Value

72427342852741276656268874899893943291123612812296999204945696246397768417907049336641746408296180729285439218481741512688461572075739283263087614989299130791053977381476185666146885654687972327536424899147120356324675756109557038822913133328031815501437586353049665536629834026091056308481024889061582524884614717327275883779751235018310002366331886012082598970972824217828316813463578883546760621596017534225438716708560841871488939702251046066128759453327291243322275515055868641146406546135012406040613040587745539698632576873036711827747163789296795950016380995388212391153675121524881487702067022665011034522556076112985629643896786954839775116634762270016866905066534903912469193451512431043081794802367245988224387420291119199334598113458019543312516409885792236790909765683849916777031113196296778805511763710714354534916862952925582858447527958110040138559139616386837195026541945700436340134096561518840457675483333205352863727126378714554773301401205411694551643712392634458682538819228283152212454009646601938788581266320177020267502989360044034498944162722912620025839924485384291954934453643268839778437438975569673485136470991779290107803259986489288755718752310537294520357733194800078658572056587102058873568404905574025221647098217345037146853288486015913540948273484451943778310273063292571584654038465922865304410706538790153702580230074861989617902670983581637563608161938648737468891129188245018114805021441673017
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 17 of the certificate chain of a 1,613-digit prime (135 intermediate primes).

Certified number1,613-digit prime
Certificatedownload
Certificate chainshow step 17 of 135

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009053895900 --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":1100000009053895900},"decimal":true,"detail":2}}'