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 #1100000009043980513 541 digits created 2026-08-04

Value

1178990720204934651940674517425006135282958239031979037470253997351906627792890753138750048233319801880825249532931067676195658141608654669450174663157818710984101930451021741838019410694721421625484078248524567892319136017042523982509735291172977038046665730436040477728982128257128434883002637012099656640074608995416065497937665886676198987458218429673907788965836471719744419554892928296482550160311653320744585153769179486809249540915579512135633637349540041997642858380547378067562943292480938921315656829215833269448342804492089073329
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 70 of the certificate chain of a 1,384-digit prime (111 intermediate primes).

Certified number1,384-digit prime
Certificatedownload
Certificate chainshow step 70 of 111

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009043980513 --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":1100000009043980513},"decimal":true,"detail":2}}'