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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 #1100000009084007806 1,658 digits created 2026-08-14

Value

24205604021565854378605150687545328820303227203612978538270344069552020095757760645132994451875062202517715860843790884576230769685107020420984593121482881415833202613826614006135171585982431076103182841560268455908880299408648976385885240961203721107851599037787173766669266417656855274563677924887878613152303784143500221202567130659709422722844578383230212234169066748112915388848417504815468397471136581182338850613386978482371130976687680160694576348374561378357065280977565800540169731440291937059737798455369958982627757416624998861923001436743808285577196222714657320433758267376481157608935769162413883053934351164984084970700731911130421343862269991436535174644432528142158285233925273193978460034579234414644833303188946647383169825486288687492212172120981681332051587024054913268789743118714799612032533586509661774836994333671101760781593853835413367154468601278921997940986129712701975605282525157844015182282240583046125407948402716105911773598449313065693295277307087023270361238868160480977565329366109299026331282737281111488053454167675451201095584513538890955918054787526549075528542496648547639761660599872466690076225036977253772487127498835647047905487302639082765857648429589088645670071612631179734158823530693647491052945748191164192882770216152308931370825813202055456715145348462319145641183112426287428001580263389135963380249587304701063027179282021546557290704800607562951040572114452825270539345559901702063987688215127732830696464909680031926951789160287507759920236849927156296551587629427463302372150405596792978087896817185154425937790579280971009937267852266000883310227229244099725739190928079212970489796886959815940289
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 24 of the certificate chain of a 1,940-digit prime (149 intermediate primes).

Certified number1,940-digit prime
Certificatedownload
Certificate chainshow step 24 of 149

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009084007806 --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":1100000009084007806},"decimal":true,"detail":2}}'