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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 #1100000009086008980 1,776 digits created 2026-08-15

Value

673887030327372950447601477423955155964111360632196144996387486288736374223682162680898852102469025620770901190083115558302209713398419428078156819910732266102298488464459402080362367483708574903908994937830599733393327061549238953388309826190305432821842709081631770552451564019867378680636613314481888119657784431780655992162282410745671830377210563771304128003744116303802524854302737288657315609769030147447572254568014008697598641535107489119834034927675043040454513770307373951301389229374682103388775751006773330093452489724805264987677901748620700070809582786392859124582940174050025891797535549408011509700558445955062861780804879053870820992222094421183228115006583662540288841184167021011410619337981049424685098701573402052461023995391312277836538780026603734869340796413285354029902599848928645117044806297455997720869016487277411708809317196077432765709222724120303154154587462805849794013272046742013826483742363217709662950731167644669557476081860003458845565008661127663829657409994074866583411302920630529190082606605444398504935023480810532100512727158174878517658160991913080215194780277736062282357266163094590612373851837066439402598138331042509370082111730399532406886194052973744164834220930236158237640438178412396558982672284552168774019216384816770984172530881225876315534527436428047129308237590129637866068578141413987969977108736742351729174536818122904950357793284130572457283979336474743202318834692761750731238518150004115246386247259626949207886653932521146990352129684748500256920929652034733717819200203680524535230827912737956473068004217782427851824363665269003912374967804834010838045533234415787953117469110340781663980850154771227056509207527246810424809318750296222067175575675499641242491169629447979903985160415363467888508459638473
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 16 of the certificate chain of a 1,964-digit prime (154 intermediate primes).

Certified number1,964-digit prime
Certificatedownload
Certificate chainshow step 16 of 154

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009086008980 --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":1100000009086008980},"decimal":true,"detail":2}}'