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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 #1100000008677861616 1,314 digits created 2026-03-11

Value

860576354147793866650374484858179395919890620644199921519399205748963152546333152123103215425777240795986602159416184216205051919650119015020603107178184773260720645573568755916072852554104192987711075802973529832567817230651241720218680647049724702209335157134999171822753606810562032137381173819594227046304743613173370840938450189660390240118033471771080961558977029049746437833165572664003467949814362050743914576990953497810527170075565972743567967786752944379330126047705023260679378779239581572341823444420651120874712625037662679716060078610371001684345441848954409227223596606290918887541592126917881617037035517123342654746974654258110948128172013538260688246993211556555680464323811202036374803784721996080284576397034673202105613880422208694549126299268168267346060229588029313044000732579133189446919563784458866920951988063863761021429635304632034721744603375043853968521750476074631853059663514396297952185156330082686451554120884123048779161663863948442304569953561920572708261751399748659942932946735338944880173312893418198640471969682737948025681346605505319144840200408675476923847835355613390416609937973781644958799881597726065167905980663797281093691644229136346644722802199381473801839167678253073022549365244755130741543974656173360781781206500083832685546504421550523573611765072921911127
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 44 of the certificate chain of a 1,739-digit prime (176 intermediate primes).

Certified number1,739-digit prime
Certificatedownload
Certificate chainshow step 44 of 176

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008677861616 --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":1100000008677861616},"decimal":true,"detail":2}}'