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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 #1100000004890743817 1,868 digits created 2023-10-25

Value

67185684440534201802158619749185021689067880590118478754254232854036477903362373868007429338842423823240308582276134805019272616813662931923001562115099837519502671524111356467504184556780124111748385936738908723209382375252848202700390878190673460565462238407834471702774762447305973391800324164225190371263936899960720707996371846339511395670368430448544642033877437883752822186439016940441234426470988615584494005724346382397449487582867086375403645720629166991396999415123300434336254958338186003287913650588739492380786468538890344738722188939105634845288444707868646685141750460056010878448877428060889223682538673602011263318873602022589488103159973052532488531512129267313906867347733622881895882908976942419636725081543067445055480568640707490316032009554023449548479380917943713619997986679251891725110322090024475753819892451190458155683635560033969536650458235326886356855232353702315902816048310962188593836286225177165382106092334037486848939177902034827018688898807778944175435104400229589832461286335674433761258648907030988002084435888138178570916601323901473573852813368622387796576823253446905399141649788111908999929722076035232372086115516629205816476218822618824751846025142239281726180440735920108298724107897679246138041512442080744423693247358063439890086292720182979912358108801890931304590354281987847587662589670675885219813971322457387747599173963650641854469221348313040757313370628257767925024212163728676289670763419649061789926204708412304208131616048520746151280668481431409974089140976364770943284244551408117502169652101704569324274654991529457396360237747346830983004369535455302799024885911602349371164142770513257720083290890495623725168471711479467717924954072965533707861023192306104569758280877403184874659037032870422071589364743214622333760101899946051047820846725428618007554489850138177722476615122380821132594466571028803
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 40 of the certificate chain of a 2,229-digit prime (258 intermediate primes).

Certified number2,229-digit prime
Certificatedownload
Certificate chainshow step 40 of 258

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004890743817 --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":1100000004890743817},"decimal":true,"detail":2}}'