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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 #1100000009053481288 1,705 digits created 2026-08-07

Value

2880725452219204368144256391121884664767777829119102349692987952565551198457989216002287823779398973887361217963318416944931184724425019787052610360185814627612712326002487895515286877095094277942988318532864552259975734857735912802559162601580793953388985215796844733459156869194918384378927941392636175379308462592509566530710136155291612771334312521619109931190225124346675092088609669087747461742825462979084673108909329611754007183045182677106526289350913624823904807666222512807311036303317531330729999768474794362789424445984420925865604689086739053875861583923543345321833882399461666396834795481838102300743662118073503597798999909740232823317410461231973340434504459863390068291748192565051022644417193554169060444989351778311617466904820321182395223228529003860199948796975482630165444971757007741646770526519997109876121821676752252989460569056991005257941005453282968343664973273131494680042353763779789999059671870031984753137126389907462242443023803430605877580778703188648689956300549220842406385050791947410964829703902793638448814270301405440846701121178768737639760808597458094972697785491033315566035193814702272954040629478128931398107480543071964771270453907432658370675797455327766683681769777848257843934506399922868099784015122260799566044708409674236645984797774713198066528263388509312792190185332096605827241882700981741273061713021674257673712548494894777179006680325195028164188484028351083552168075421806403741481744299249296564987672619384723104751724175931162871706952879376763732468508193339166387201888280937518089979278898628405919464513492757042399532456922506071809215790785789967479381474293322438634044442940000821349002998939690314084689643267542723205412756256199
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 51 of the certificate chain of a 2,301-digit prime (179 intermediate primes).

Certified number2,301-digit prime
Certificatedownload
Certificate chainshow step 51 of 179

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009053481288 --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":1100000009053481288},"decimal":true,"detail":2}}'