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 #1100000009040879871 697 digits created 2026-08-03

Value

5395626507401299685274739965446818600075711939452009053506694835950067689003345660959909901484171300816014272992359531636668029605330936006392286971744331301196840192449183158143499283446790898498664791433908841433359319467504020926950216788674739493250061923271852382155352758012217088560756384926907719749512834400879163695124786139225555301887538383604686708410400719970431922783074923850136909885314078758176949797322622549924486775153433078895952096826542695327564267748372320153896097498426559576197078808320177985961752658243619299509334056957399365043210369699568921364852150150509232587835459715732045754939466655091948058662157261977558814169670049066145707063121590809269864197985389403
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 51 of the certificate chain of a 1,285-digit prime (104 intermediate primes).

Certified number1,285-digit prime
Certificatedownload
Certificate chainshow step 51 of 104

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009040879871 --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":1100000009040879871},"decimal":true,"detail":2}}'