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 #1100000009048783767 647 digits created 2026-08-05

Value

56587168931254680210638608471367413885491307383612482231882205854265226668550664301993019629951917325185226885418688111139967664137927696465209153850511361406968755059879465459030733240814550296181392067046385370459417092378943330523895339746744753429926519665447680529985610855739096205663896345859074912634694663294458290395237509057142780272473297038527284108914165716567672672063573439649467405895389188352351662509342638600517825132173490312866251288386204917833366644201575920289447018504806733998801512453613659818454889881371225659731915540723598876167824776862967236997008522293426325983128805709186247781839294001536486513981848573516201
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 72 of the certificate chain of a 1,503-digit prime (115 intermediate primes).

Certified number1,503-digit prime
Certificatedownload
Certificate chainshow step 72 of 115

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009048783767 --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":1100000009048783767},"decimal":true,"detail":2}}'