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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 #1100000009088821138 1,302 digits created 2026-08-16

Value

634981393705951078487269904617907145935602452869399464192026769127481221921275897853131440938272008317934022088538021019363754006135388832782313330861837421857941676095431025063149091041866195587723358904058847423126136535109854989930106735482143054367557528029662887644694278882954342776741820174997913780230876282651641492805451024589794385962993023460924642539822034363951036513405041463847203264325929421546197778449664118046504176367271824166819919215870903232471554942096969285104707265610798437812560818375545354629135819279632297856029538420665224943887749403381805871184229940270579079893248576305330828156430755468664133319845853708951440008952234614700498190478132672906640013269271238026782437994806952252627188827895682066497990995352560731705661911084871037222232092284857044414802026315077321963168485508851796973180213226219104264019000369047644158364245846195086281167329877226219294280447944580408593676826087574684741664174920499089546895446540412685706195388439560679553212377891930009167876379462129250164952944990428121641167019700554336726713277465483495170798506933100317746476548387377258009418421138314733894537133803218868756384636632158966686574815318868848398948406670650377807992535926059717835298041911107071591514819601030740563451273684922069348864037307206421720225051
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 53 of the certificate chain of a 1,976-digit prime (149 intermediate primes).

Certified number1,976-digit prime
Certificatedownload
Certificate chainshow step 53 of 149

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009088821138 --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":1100000009088821138},"decimal":true,"detail":2}}'