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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 #1100000009052923970 1,099 digits created 2026-08-07

Value

5562861079507391327247455367504132697187333807473058330352027855058457225790388972617590967394283311741547756641986031514082090886585409916190103400207756419898738229613334334703359173515550563032293903718463558645810737028424408175449194330737731176840250707291734060312385132614682077565452189920371441892683920330822462014796399660402504929985140068963241942617536273656316898386419236313204724525843633788175667687396083112322857788966560251398685542454843601247908735465749513548895632531512610119113975695149737102039416259131655612769870640932543647784525731371743408490645506613116456100510833879328970026814913949829016847736936338911197072014596274042424926021764837587215592506264156825790096328870189924148059487633745598958398242012740169030717502950369734992630716319441923235889444202441489590365885592258071085260452624544741495150043415279394452508102731242716571528654944375589649240113371034384985156878852092216118702414696473916370223335250841955169639627442924127446205438532033213144154458027145256827859046378632838677542187861034386783759371880379480886356231871669688807783
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 45 of the certificate chain of a 1,598-digit prime (130 intermediate primes).

Certified number1,598-digit prime
Certificatedownload
Certificate chainshow step 45 of 130

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009052923970 --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":1100000009052923970},"decimal":true,"detail":2}}'