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 #1100000009041818262 863 digits created 2026-08-03

Value

21721860098223149330803523020143149704623442250894338072770005071486385132949006234995964962345024707949497096227109094723589577048354389692527264764209029474798654163580257660727307549500596019912262122212472548240594413314203755674805232755598620421111105782914642774676452714871997118446244974631124398013447303085857648500286633518346252526671530272549885972684591895233248506327150517438701320194441681222363577439470747224370643171851582816960053323727703452231784728098988034178370933081108472250939928733079276734139789611857513926067040144997559053460351585044343662117487560260032137804357280144483618745681843979561487856456402931608680037379477705757473743916354357576068054015825712243113442092232864191016949524227664058936149806728507849361055306232945704874213955506198623560574335685435762630964576497080254395914765059478856296561852905359914659
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 35 of the certificate chain of a 1,302-digit prime (104 intermediate primes).

Certified number1,302-digit prime
Certificatedownload
Certificate chainshow step 35 of 104

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009041818262 --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":1100000009041818262},"decimal":true,"detail":2}}'