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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 #1100000008766977876 963 digits created 2026-04-21

Value

131058618046529174286700831355260709561102576248049212776729188725945647768693047659105815256185053859627570549057065267463367786453794637617481932965142348916350087022573965025436027788867803823286481549113556606148852214917832419916804542306001381230705216996687747541784893705846619995570829889572163083206481041460128159732581137349574678538132743812643042156377159890042290156145067293275623788721244392980873778985619569979665605750314064107867018309162795972186790896364750292954867546516590754772815064252809469970483691155180355092980238593158456877650648499328177327964447111859884115980670862060305208808971633173586167800565351708497402788327734031296187364498651998990561206855269666302127356067998410202363436068239958136517662853220939112065865544281985973132529317998685141464642441903705907397590620971845942709384667595177651144850658531700847822281815280917807523899078701199262531816788440112848405663929844015209095937364216887906917932524133
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 144 of the certificate chain of a 3,124-digit prime (188 intermediate primes).

Certified number3,124-digit prime
Certificatedownload
Certificate chainshow step 144 of 188

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008766977876 --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":1100000008766977876},"decimal":true,"detail":2}}'