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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 #1100000008676361368 1,024 digits created 2026-03-10

Value

3547807517724420212344493060674140979137853773797724757145127047469389368032632282634589667135008323820424817890329698564453194846648756502746013005418208733590168437287430064015814606059972042189639908437330999596908536171065825602847684654666213306337896603387735549018859963317645024242601365730255314229518234902802203050393693356494997269321256399179500168694292585134383398866715030283394651028157851152525317170879624370350137804343374045392771123340626881949205348712597046379697781144288311488140680081888238317890359222406735318071035487690515948818877206373127434570930531812309250015141535702148391354223807159393157242394473118398799168199890466547780401629945340274983356465559158091033496076010103782135970407119194120004777495769499853068668526437613195428074903136113235344409526637604616650488040939833743164580448306755113859601873271958974590128746106135622579490015588963638306169313430343075829480133521346846103960781449654361673329331854005690965564394965791920198077147929872132812141325944145389119
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 41 of the certificate chain of a 1,418-digit prime (155 intermediate primes).

Certified number1,418-digit prime
Certificatedownload
Certificate chainshow step 41 of 155

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008676361368 --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":1100000008676361368},"decimal":true,"detail":2}}'