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 #1100000009047455231 507 digits created 2026-08-05

Value

405455803188757080124816321339895991208555198947265734832093714332158876179918800084931314089236538962166490721040353180692103993729580245413034119414802845415364278104164123936575765242485393452230337765275062102052335817466211916317933265335078786353493011160985288954771091406940098992490691513765072549702714601167211682469833964831912791315533561204216213997075190842141840466671217592239296583233523342534433252575295642869662873582224892129779853870641430826411055468592036235248989063788718756248661
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 82 of the certificate chain of a 1,457-digit prime (118 intermediate primes).

Certified number1,457-digit prime
Certificatedownload
Certificate chainshow step 82 of 118

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009047455231 --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":1100000009047455231},"decimal":true,"detail":2}}'