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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 #1100000009053423368 1,046 digits created 2026-08-07

Value

27584749767991610955760831644453344494073696590602516784830082979955827140982077017089748892513048243699339446333902863757312769416635836747650091454900097681870775757877453163182470003635720823535770091621805706531383563249035943015002412270619328059449063122167759133993275966129476356853569405086237185423003124642442165556756622449671950501207815460518081713234440847651052402124034293622725343528080835645848805822953768759157373170037238566966928653838453729688989086175046813958628890451817234654275970544663007456469218441251555912189834161880524434574697445056068262688749232823995738955116770327460759007445443551314128816255264735263189254009029314143081624581679295557269029472204128330800943553405395713080776082533417934441071780870571153771847468879588754815581466089210213977265561118704926838454894610782849424605424561399045638050690490494354058619859667877440335886828229403371026844571476807604784004934458630509066552627161396658710168238207270730805527646507219728599790740033417304842229338980990763954861858039382267060391
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 48 of the certificate chain of a 1,603-digit prime (129 intermediate primes).

Certified number1,603-digit prime
Certificatedownload
Certificate chainshow step 48 of 129

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009053423368 --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":1100000009053423368},"decimal":true,"detail":2}}'