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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 #1100000009048439802 1,320 digits created 2026-08-05

Value

112879590430250919885929556239432896267855519348506202758864003337917131902266890506031970227433593108254103054314629047897629104215084168885051059054614650569826564256369864563285402081169646708384827863799010292042292770747756970599572524430928580807754696819993185600007275116804364765961616078933220761473163965509542150728492549112999636787757466661633003993283594353607982336753962754624947980014141714790046390720624943297198948253081818967119883811879374470520073100741469043235628819542357237482629481403342769516832084715569994772980942055584971731724792006386427498179160313873100994450619480196728284565928441166546128074962915129215790032105880633517677476611396258988277752988407776145506906682474827028123774440426810914142910862319012206326958862228366590663199844769813787045463998653683719843793932742291958055039782268076573770763549772099463306419109600010795198777299558150345063795184554943696134571631977922449796871674244339914068674901823545114566096434600765425434628358839878429351900632483739589664496256121500833428977846250452724982001808428280632230922863911653093521421546059432197817211502557992980341506060408684723522107920482684591263605718936593077601643253079686128736676418447224873730445155511842212848561952175799247893583568662690151930473673371853821583212565792350773599679309
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 17 of the certificate chain of a 1,491-digit prime (125 intermediate primes).

Certified number1,491-digit prime
Certificatedownload
Certificate chainshow step 17 of 125

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009048439802 --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":1100000009048439802},"decimal":true,"detail":2}}'