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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 #1100000008799243779 1,111 digits created 2026-05-10

Value

1958444730704178132114242989410202668730738821029937310532899647344195646751414212432684796541026059241810257830704952220997748171311068830299408000926192842142838570915925652653213689331451387106689187541584071040022895500489981570198271081262213887895941250745967554459313662536321593807208998165591170024082903667642573704715220437079059614156732025226846478269397751087394587662711532580712049650771526744750237030718665895137288017140213937636544302273111597512738058803498602305768672792782332833426923333112653978506968565651602021737719787646168687193405756411823771237398794749478802573060656266592425456553442436871096583849055803086458675187093744800810961606931364675285039255565833159178589514296842806849446279777060412245427052350268583118328234539461595799420274382947007153940352300869368763278697307397724985717327077463273106150635725127852238685710398851524826664652839831241257971187894639460301989270519373952103667040274563484627507552293843816352756921653269659992394412977308604253458925647108486373262803067422439154510705951573874048430126916060613971163573401898971320721920138293053
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 180 of the certificate chain of a 3,883-digit prime (240 intermediate primes).

Certified number3,883-digit prime
Certificatedownload
Certificate chainshow step 180 of 240

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008799243779 --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":1100000008799243779},"decimal":true,"detail":2}}'