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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 #1100000009080742408 1,081 digits created 2026-08-13

Value

4790655845468988020315072681321542615991010832372220053841455174137190410882153378881148488295439137667741939855162358293100689054327035820729783468345031504774259718774820489923145479885237507521113931693816782128862973771388797427439795085475978187490569789489920269680595701696739063649027498745103822629248994794731434279922925813839413972176858595638198803101932901219470618958804003054865455028823656657023781236907634075978561190428699748411261565005675644838619005630932097512727642770958878197219922424908625590724352081549881097825962209097348244968334910815907424380356438253558776861877657240997345922963589868558798722778747486829246127331801899393308632428087898156677722899979023022975297005264456755724700393269174310347972553344213380477951524854640106052517139726592870854757971831557487471297486573205159681104699468946106317907788173752935063996031130489771343761912578551060381611183009655836182641091591379545758118248779274416112194574401527737782768161148458672235937307861527857078583643472840596729546159694624254001969248826975275042304115888863005258731
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 70 of the certificate chain of a 1,928-digit prime (154 intermediate primes).

Certified number1,928-digit prime
Certificatedownload
Certificate chainshow step 70 of 154

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009080742408 --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":1100000009080742408},"decimal":true,"detail":2}}'