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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 #1100000009083570837 1,082 digits created 2026-08-14

Value

47081159353109617120135091246985269490581423544942866234717855331308247548741009060708515270351402056188159014619678291451606534893875260496075466157778959957550147353207300292663075302202997613908218169365241390163713319240085228020354163776430964088922252052358295306531507434048991544709009988220864875882662031935158439928427649166336002885626270288900331588695457238288921253920872401668954647071130006676482726946591175706478127015085108390846873539477669933246814115747075769328894140007835962315719197754466054716376601614976776869482231739728023194904196563040074020891372125145827058603385512236268724578796654085335524822452353970859381980606013273374297727405548188621220118591030138635826610055942980709477733690032962330471779107540436231394690504128959055377324722299629757037586951099219516376125936699006859617978837192879513753629494586687627803407708382272238603933097919680026530943378607906797055950651850626512812417372219763153032390138797563539522744930003558872226028823782690331212034671816202177579785908112314698551211866198817218386242263718411654442569
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 65 of the certificate chain of a 1,891-digit prime (153 intermediate primes).

Certified number1,891-digit prime
Certificatedownload
Certificate chainshow step 65 of 153

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009083570837 --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":1100000009083570837},"decimal":true,"detail":2}}'