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 #1100000008675871888 990 digits created 2026-03-10

Value

200479380476888067327072846696502586719136189659237635446419472985365520655399085362483567079635500987042306816639958980995432063905374859302592559740071197377204203335859569807711103756827790587639942949758270827182227482759423078641373712881250434127433221167935658266838939064026643773743630643174748731050499619702858353620287151433160469271269973708143241211495803915175513859290229728875074761357206988304072767872101160607991536188220021918843983231033535791009974167342591700786397283031533769511924007217984136091795714666322971400259738329835250762625990490521325331634978004670794980635188465685789856179925813675327073008037717235293618944080694326735761190172343869682327188927912658109680757198864432630856769924408774637395760567122383183445935549527648331888699848484291418482634656993054186620856289111882064209934047891242558585973234141472630599054056020670680242791187215295745107365082796201525430579916758109076060475700044108785287343651080836423908635704566112151199
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 19 of the certificate chain of a 1,141-digit prime (123 intermediate primes).

Certified number1,141-digit prime
Certificatedownload
Certificate chainshow step 19 of 123

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008675871888 --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":1100000008675871888},"decimal":true,"detail":2}}'