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 #1100000009040166640 959 digits created 2026-08-02

Value

72142355232103203536839614528252908393315448404274701781802987005168941480029587498903557482513922269440784489018657729984082257118057748954501674595421964392196241040177354774451630159974784977080105861679361732490675192608551532481236513159623404081319933308137934404469272081893154631889182252782317924927988382131762173204764745989556491845548477945144398943164846245632488115984288451599147152707460637982780297508812913596816993103497236502707993883667000944585259627801005785283928460545059247168428595624836610989004952037267567857035108088984431420240216866983711007845157148207571387170149458402911583540895856377496062872928090918633984845141907450220832963058421944748890154894238306748658900693315735238169852482470555361895184034909177686808767295504692107316914996553281383423430498719102151772810599529932447723643248713835577454474734015802221993055850383399103907819321085921589653443376277098858619523498614536361685743885945037784481598581
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 24 of the certificate chain of a 1,258-digit prime (99 intermediate primes).

Certified number1,258-digit prime
Certificatedownload
Certificate chainshow step 24 of 99

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009040166640 --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":1100000009040166640},"decimal":true,"detail":2}}'