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 #1100000009042287588 1,213 digits created 2026-08-03

Value

1978357002373087149865533927046061653527587212667199520116431489756014429959691532048833198698017302924596425293735545973560801456031377550048172863304840366087492020574141652348446251094811664296088342161280177894745857700018496859145388430555136861408329985334202194502306654490760919888273392962179756896646381877585893920082692030957652993626960360426237510501245737347222446182744243762947149476199377234796853048940604174568223225979274554596388660418203882471080521306238461921369037903974014322230583441489562376198940825967493637218341348948335499059628562439144546641425464477152990455647014610082524862276728946733174951368821710023201610954401755583860446621761033890182983346680426168368720276616505553523246484405367734496350191330520189984736856678808136462260048078216866895700461180481636282323918124133875288078432539763868221597246010097897775999223311244755471037688167662064549264339240045555498071106391847573020481777522485154896005599030090521151488598792751374553513230586479035040589955885168697649645045305101866179036776748121734194408952121016651468947076066594426330746588976071977711317326776338617462650192839577249809903536473442049335090597323734699739892386562787820656338588721
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 10 of the certificate chain of a 1,315-digit prime (124 intermediate primes).

Certified number1,315-digit prime
Certificatedownload
Certificate chainshow step 10 of 124

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009042287588 --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":1100000009042287588},"decimal":true,"detail":2}}'