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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 #1100000009053915561 1,353 digits created 2026-08-07

Value

325052996589281909252776921131614874766969539153173633443569033728123941564807877220881509757247851583782243116799549642721652273009291553781933036321455798585014268852443710026743755659711841101228337385246609074165672763229948196000637904448372716366586166046382795545874205452655757078531475191348691993696093137092132329443403229036819239038575761118132103689878631552055433035388350832437182146041760485018709802222916505583430675552492007805095205510619192089367123044668897415506763952571046197096173457563828988243062534800940383249609804339801409600547929463038612181407363937936538523206210497695457030326931345700930501494352208597791771774115198496995923009456877834998212644707014927323765843616395957183437257135990743050975460530012475756920198508339190330862546042021544256163747072903520846348158299424300430079783994075850940380908303401216671188871709288377772887787336046486374797111384992344881267000539702282640146146518252517040820453508718292719500475024852855280843505962835029363735582160518718492813409146755348693647524699387009906451960729571879514590246841668950157092989704906384691390834709524947555905007906510171754529265177475762829588932647824133623201750235157241223476373936582803626691542061990140905963890090468570904684830133486431485243188515592201940026557096933898260695154225717681717751487782394310320522023
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 19 of the certificate chain of a 1,613-digit prime (126 intermediate primes).

Certified number1,613-digit prime
Certificatedownload
Certificate chainshow step 19 of 126

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009053915561 --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":1100000009053915561},"decimal":true,"detail":2}}'