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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 #1100000009048709758 1,229 digits created 2026-08-05

Value

52555328067474228372836644660052045372151404543276435122120442250952359590405265669553397244334800684538303129108066684073644151349854887625534856754150984537018844877295958133864350819088168145981230312615936623698651934154705586396389549059864976143680316205045045910293765432633256120760210602439472641671648418215181189720613632688679547854062860327325754809489175511682343172323338255628113140473891844924391709624516253736929031967008415788642702615321474054319777910023478512669981644372992248660583070613056508411419701776566229521335212508046889613248885890778589506441580098802432096042602106812774962133803192260343886762505759849573290127751662813190468653739281876742612208341648675738546467495418627472936956517939367596239768795072234412086528792444807328714348363576304121814524164248944099306685930564039856705429006534642188719292953904633422884142804975279432136836652815080000067199216131155528318042358877961729481308512847919650701204689465601780098171141407455898545563591268483287281021856192122765239674053808315130313474788791629942037439747190477059454138201622368501507699906398188234454150843711633163555494684782825718613423100743424406714818148444135738119496873837201478680341297085602160196291161
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 25 of the certificate chain of a 1,502-digit prime (122 intermediate primes).

Certified number1,502-digit prime
Certificatedownload
Certificate chainshow step 25 of 122

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009048709758 --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":1100000009048709758},"decimal":true,"detail":2}}'