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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 #1100000004931003896 1,194 digits created 2023-10-25

Value

428365674813934193282607878019543562310329872323848263736241411083655420329667624028905400043071526724525663863311383517057076271445792324722938289811143105776280479350380676463614245496953002270032286192690673448351390917486220359043887220325739613108159080945550247364276573098868337905366126377299079703442495673844113882748665029529364903707985634536501493468155488842686315485183988449197104895811232347102050690891774228513531925663283063527309784154011633727048186582961855012037796596373126784289724100302801771521997690376251432279105677291217231353728250495491054066236122264973563505071402823345688904278880191455464703435066954196805875617169364443102219969876484583956743481837898715171529917168042932118526234340881929415753619425876673689450571714339416960983326426307131383139781509730599214337033067748380490646255754034383544206436057763738918941103717046017515591435104488030898635928870059517014700857155369281985344680495639571579996592279616988070931052155666081428120197215737352825710505552049921642001967624361897838970792578911435191575422269925394508853441257612561853202556855270110818549066832843073310591652291153663340460770026775104551335996290537083467186238653
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 66 of the certificate chain of a 1,790-digit prime (236 intermediate primes).

Certified number1,790-digit prime
Certificatedownload
Certificate chainshow step 66 of 236

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004931003896 --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":1100000004931003896},"decimal":true,"detail":2}}'