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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 #1100000008678590314 1,691 digits created 2026-03-11

Value

55554374472267656077135114970306397810132028232784130841751439312233819347544010062389341068415699806413219331617428879194543357912031489540685277147357282029726098815960073621569755163423602627752684792646252087334663375665494695462752787231530789996406332420607222792643561881149534280513249701679010823959423389206101580937956956319020191921736944198723965094146295231433240696579569585633782583455624206552524584067090278339475164626734981023872592665364034075017491887540781135586222698783339130285366921732464765336855432920803382770055062099956764316221887240974721184720229644296681125107474575150835633742195407181266331667677021592534147707678102656192627914343872209957315240704838266235691491451245692081367925909553488060982928389294068950257639328782262815033288004429787552402330075966346066656409662411047576006147958647108219493411051583534532977888938456936535806016147964697072743364371069694032412100684495312653723233256786918636844980862140618274511148260163356996015587331161330326643722533208737749288104586604767004174434721619300140691915246598710298887973075477329386289398646633232214970265386710199683539989092005932633338678188031523945046088608335115263864355572310712361384697932509989605110270423341349496744346228376779241612013466242613226207515158287447953326495668944348713372956133458968238695218329526021378493914536719620401698853127263639907384754473058135715107047981157959309425836428300851025570413644429263089597890212892076887340629299983735250399190598955620387879213790797433127473372612502474313124906467085556912983979219638820894573242662862344071999232971124240076490534207316835931995417167190349561695247874741821285545710416133601610439
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 48 of the certificate chain of a 2,394-digit prime (160 intermediate primes).

Certified number2,394-digit prime
Certificatedownload
Certificate chainshow step 48 of 160

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008678590314 --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":1100000008678590314},"decimal":true,"detail":2}}'