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 #1100000009083570910 838 digits created 2026-08-14

Value

4983778378931635582231337411897365013456544450512882117347841770236991661936508077326019082215654746831022254248205801803032008358433146450738111666820945965748432530282384328069640204828839112315015507470229517976812371955950659777640405036021471705746170662496329851158166159191225853585930336591244790681116941925675030022628133194340310964150945093658016717144206374120351470891355465286831180345001520179534543368600222736121686813690890544732335847337288765936354263560216923461268895710507188663715876180311092759831084675318858740257872409821882093212434167957380467094352848590196043884796418462615486843173534179663730027531150442641715536917259710004754633566843101832920235813045012497374537794461356593749912859234600067961166299818738448484246315862755517096493391156073577183192305095850737594045370802724429584734634123317
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 87 of the certificate chain of a 1,891-digit prime (153 intermediate primes).

Certified number1,891-digit prime
Certificatedownload
Certificate chainshow step 87 of 153

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009083570910 --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":1100000009083570910},"decimal":true,"detail":2}}'