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 #1100000009063628368 1,428 digits created 2026-08-09

Value

220276522319273380017129487298559862783193293062329135220621804639306235180335641316617486879920525829514048386780086831835934251188361270013573588399240439007087394314967277058602865941942648425137566023972592254253969647082990249818768044936201606695201999961096763359583898386192869960930393732845156947377969035348020096098488351532085428017112069450953266052761952473430260718350831162846529300580655126445575180588815298234651330220821078127951709312163625365668830745902746365661054880811112091552833854136873645154182883996765990262545612585439294797569512490674923725677160939708622895877290589663478640781313201620193287621882573835238362539402522205517342643487481427716868773860054067056208142913820087650903029933229940480451481032956693259080198171598004521758182041271773403645510413248125931824363131442055942778494063978516463356131064948098901023330948162769824710942696794814586148107827572937711229038516114651107169277230585780404879090305387198786436687164141534225438157721656200059933084133495235004374473006676897636024737137815607489966340826882128419229479502516180930288243369557289519845774839752841248339130752884331259652572171560677626262980589946103292819793667201288085128625819453539181312687740094561793720613789071338773164097984316113619766513491475759838868046373751164113597048083304034249385981474179865617246853690846470014327869739710782573248502518492438582228405038704164621636501313
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 22 of the certificate chain of a 1,702-digit prime (134 intermediate primes).

Certified number1,702-digit prime
Certificatedownload
Certificate chainshow step 22 of 134

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009063628368 --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":1100000009063628368},"decimal":true,"detail":2}}'