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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 #1100000008677877812 1,232 digits created 2026-03-11

Value

27180720756407113864886196864566646831023848785453477635071217010619867690247730074452524555569067045433766321158464320170735192429959136159051885513323734861421532571900225816348736829768323241015358541774362982486631570266695394597122499924170717195498651923245602783655764474334712679609601641939682250882575342462755074979751632978297508683775179765407049008734907361830619746190082738455175243870191041126154437772310850037644096126881701240888918715370205901136669534619588731438313445204632185830693376845076433386604000847650827600798124560357020254981944074044185684516020331246040935873944657309719995756392599916403538581023348658560171989776351770897204593160469778557702731404146160474461591558628355480907727771211138787954050182561157887516249502825819473121607420721454886240586835060438684258542989973486808670085156620092708404394664073794901576899333148088942723838457085092430772556314387344110864750613542861989012847904391907253023613143048591701984436511368866331480731502903691762919055137710766387996472070415729615336108574805811936207535652618153711235005653260148268358221212496168290452385456202360588452636197586557903804142935779335224964297628635090106301369540265277436156412107637626650883781013253
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 50 of the certificate chain of a 1,740-digit prime (182 intermediate primes).

Certified number1,740-digit prime
Certificatedownload
Certificate chainshow step 50 of 182

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008677877812 --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":1100000008677877812},"decimal":true,"detail":2}}'