factordbrpc · fdb
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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 #1100000009080478054 700 digits created 2026-08-13

Value

1805982009895951623398563207493605599927601368996669208169643596372986134793758327551772490704591188319467772352549237059692874047283006545665487196844299390253773773756340326313543992192402804928323639124842280414983142216838855932607602222352789498458020830131650621274053794425914338036290188930882151644368245449328464863907048647955359871795750317907213872773690672546886403881167947939021215832088937474911652843860867264239426486388516587583999412644071378809812655211642727147078612593645984013920256613489006927051377593959302769297638750746594286770870749823577133465134210428105297739478218713683339198450172841689121298832522874619154539426713517803909979750869664404915724985921970620527
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 98 of the certificate chain of a 1,923-digit prime (151 intermediate primes).

Certified number1,923-digit prime
Certificatedownload
Certificate chainshow step 98 of 151

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009080478054 --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":1100000009080478054},"decimal":true,"detail":2}}'