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 #1100000009059913971 702 digits created 2026-08-09

Value

319855721214143379743965791276451834611755042804525388357398395238802294699765229504768666971271820665122889230899553044847545152045266143994087835016923190228798970465375488387541617572313958055721002008011562664980606580106468533922893117881274745120699087772011272926244475131384807277936811460205515332074031789766389415659446049798419249468421597521967093209331083560604853872516764315876608438514880353741240960269846248895430291598624384102217941435289703504758986647610577959075515389510555914796088225588815034205720255045598677696381718057388605496162758038579297732833269055102823413761978920010367332806154859708803166466965734979457976655627193292800568231590748825213832739472639415259693
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 128 of the certificate chain of a 2,367-digit prime (174 intermediate primes).

Certified number2,367-digit prime
Certificatedownload
Certificate chainshow step 128 of 174

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009059913971 --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":1100000009059913971},"decimal":true,"detail":2}}'