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 #1100000004990648564 401 digits created 2023-10-26

Value

18056661435315177848573382708863929346309961285090695059538642727236581000432906926693404264029432892007747011698234119926483522634968050778711859816543512934097712197887144565819588101550859237421102228630825710455739846614429891569186289711833176555563544437200128500072456636977915158283354701678004239429826146648825843903939143390067083081057572428112318490907778541823021987732885671342583382259
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 85 of the certificate chain of a 1,065-digit prime (140 intermediate primes).

Certified number1,065-digit prime
Certificatedownload
Certificate chainshow step 85 of 140

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004990648564 --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":1100000004990648564},"decimal":true,"detail":2}}'