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 #1100000009051052281 580 digits created 2026-08-06

Value

1023211769242867816390929871297291763983837266348173047526420234437602368139679346489775960966738108298379756859928840264513952093665981662924668618384857699045051805486361474828840448076653540692338299441755600073896136680013391614112609303858305094142967143052439153334724308843748636159703904937126654936161709680390764921063277156531711909227303914551852624255087584746761827329102583415506354925271213016772083042921657126501920362782926803290867026391141040705923805016468671849903572092902147811793887767428892762833386929742531614094235178496647390678915607861233105539039
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 82 of the certificate chain of a 1,552-digit prime (122 intermediate primes).

Certified number1,552-digit prime
Certificatedownload
Certificate chainshow step 82 of 122

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009051052281 --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":1100000009051052281},"decimal":true,"detail":2}}'