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 #1100000009127305891 979 digits created 2026-09-01

Value

1258475105002866369408486183686136273811931136497150915941828535521158970883317339315405487610640292540177488452024439822928422659787152246753055500693518286589144744781803339792486022545814966134524473479131415366353161289314358475959979681153956649980693201117515375277455118539646683711283768117012884282685623269900873781359733663654242093580046008974883930852494725956841173243677539640505820348035627665291168203764463428906789977411884063529194635076718930195672812372320131944948229155823252273535591144960175777682939394782289882623188810831091382973106296538767913199545001362048310908522243991208180846033913662601499926318480920517870502516734041424096948520772867591609458314419123745996950418240721418818323906041893150958604293351829659162893317599515750099712767460525425264853346640141187817732635822010979171397148184224989626072647641003554023772264617552946816558683944375502811502838000015560829105183106447952786418106616736518589836430752418726567359590023
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 214 of the certificate chain of a 3,105-digit prime (328 intermediate primes).

Certified number3,105-digit prime
Certificatedownload
Certificate chainshow step 214 of 328

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009127305891 --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":1100000009127305891},"decimal":true,"detail":2}}'