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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 #1100000009065128793 1,831 digits created 2026-08-09

Value

1354892722364562837132539867802593325019617207296080686601085161218002879215658146291222668589389025740856139602902449851373364814772638016672665311083683628564913562907761622570836748407771016442891372030527217150365655407050961323445820147303787068230760142005582318384510399432827825341713781528671515450987543062625187113715016113273073759820519031064054164714763610940039154927593301982740400232285157683453888372379854031018920770487261793375854015823891554129515829455179181685910546083909112786504960204784513336515857063541754768239284875417353586890390091749079515392306781969705630413205461072531171907714281621002887637453311079516274068637812286320764128850502380376456998047932321454602148395111088947746786947996085086665568309209439424318498866096074325347610860062717751462254786876479495870141514534436339928148977649667480464417160512057911105740886981981464990543184790387040296168233808568209952214251933427802754149031863606270968669592137352289422769468948117428831430681556519839471868452756723502339928812006553233524949552164887312759156547400660348194610583709535980918550039925218505929429475684408797614068721281693458155330770944318468551926965841756617105935164030799002262618465324710440154067964511093391193467171611074513723042780434325286310263836347934983758236245511303564346964131673344820228396942964541893580273491763295113865637542371125105773994117718197465827018848944794121411118285695381025338730088054914969797889959959217344171091179502987582096756458601422033491429289259978660636239408631555634444273445861541766172806492099327481258151425074081211507312253251789382614602409181078974775279363479801784118643300359984375622844398629181747051000864903750512319175532893653388874525739665704150283774979828957228989833481503327775397308797889897169994068078706117814987540594237550413
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 51 of the certificate chain of a 2,485-digit prime (189 intermediate primes).

Certified number2,485-digit prime
Certificatedownload
Certificate chainshow step 51 of 189

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009065128793 --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":1100000009065128793},"decimal":true,"detail":2}}'