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 #1100000004972255169 679 digits created 2023-10-26

Value

4187822255079791618151417983883572788274744681586480040367144898839504495793199567473080265157895959280943750627655546467987396311143785064674368423966006112395179918673150598115073705622826596080487238708010997258324165414449272804995859137327174755383783266692696999725971003056563419385660714240217407873481730397684680381856998986374801011820793728484698785952645812139137161838588824118724532204982131114169317512079098488918655725493315828128693293847815900553307038033775272747446146960106664823779735273367393804758504521186941481502380577284846549137177100405803190911008195853401516910893971666905685156370419301749652251950128254403091007119757690455204658252252747509
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 44 of the certificate chain of a 1,247-digit prime (94 intermediate primes).

Certified number1,247-digit prime
Certificatedownload
Certificate chainshow step 44 of 94

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004972255169 --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":1100000004972255169},"decimal":true,"detail":2}}'