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 #1100000009080819673 560 digits created 2026-08-13

Value

20583294782328063066763838994332570831927095911348377454629641802019081002382130122581892299402164447280171109787762619214894280074091579966115395112915464389054065889186736548949751838681885617188124064806156585064681982549768245116502331019660338773237744685102322239884484980509475391508220840560578751120842330703275636657576468576763197249840377930617954607969197282190834186573882307527573358488511045893156237476519426052356800268355862499039322628494225902687444569743301911772468416556181009458689733837218657229926203889150826949780294005788683487793
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 101 of the certificate chain of a 1,931-digit prime (139 intermediate primes).

Certified number1,931-digit prime
Certificatedownload
Certificate chainshow step 101 of 139

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009080819673 --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":1100000009080819673},"decimal":true,"detail":2}}'