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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 #1100000009059542749 1,522 digits created 2026-08-09

Value

1652956627189153402351934788938248505393602491687681411651055539335318080475144214682236000535612548723587075975579125584480841485495813353189327346852384877464869649359760047152355304310927200186284384046344643840903374468951020642471391844800152617837665682404981290758681893993050964429024344761687085850683410553214405180839144762447914143311167471737306080292593404000569356475038724171293500330131000038167455142801079485488692363550406558069613660192446475266248996082066811093806704892231862229221324514428140757673954926044214177232135681109768746211414402983080233907492701296088611444911067522048778474842325358831859775684171708459093081205437087507778237807255494079242592320344872179465237337843479081841262748992307902196162893557301039763566631563482036553297498074055935802913528231635332828737636954657410744073536564200926828002499585058558933738034793635759750979892346040202800699546643586710037623858984069947991074371292767213180272318168912271801201830551029121929504532454651948499334314652121710018380952038710702532646674616476941714584080681202557102028057865479951587150199157577950124228664037045257796885003871660299508918602352056228195460421774333219710363102967898411003215852881655609996442229008932743187545660131451672784898955751493494789262636966396402977147167157159249195783187587120735355877602148399804994375470977801133789765905741542144697525599792597624831661473161005534678938679150216015509804508111947098500952443698949227766387639174938079810527257901873650394938516088333
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 56 of the certificate chain of a 2,263-digit prime (171 intermediate primes).

Certified number2,263-digit prime
Certificatedownload
Certificate chainshow step 56 of 171

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009059542749 --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":1100000009059542749},"decimal":true,"detail":2}}'