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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 #1100000008766976216 2,440 digits created 2026-04-21

Value

2086148551622101576997558024862760934140154565240872617226944011380642442801810981812487686272295417689146359899951250799999846180425225684731780786645739944929877882054732884957711071892540482504980240676595692610265713572330029379814707544149737966291360126405794200122006990809582042338462306568605173767037205299286706178632873448351392532690334345150952589671534009309960510734117410560556102262935644702147790874666548665111427765269860014713493419661605305270294343062612012222285918410663586547473243585470492193689845726433421765528327424426039234559952198810769029400322470961400176345283107163174171188334520364765699737110523528276741955395600949641323945958601424877660138845952170258708218532711842934524042052761252585097136087923492344539351335044250747153512957047240549788524759550377564107111543052135266645158252571601438042753636430162897322579248364074623795103258546631665777778541262173151431596029824256521754560449673676894103333325307729645478527557166497004628514888251746958653895839546346699579294617228358233202595074383760362958976846776835340926238839649897257915301923664449811188855301240432409103233636466159326048890648756110433385908710204351040742040021768632492948220386456603369849728420795909954024665459960408729219968594064917519656309633989867664768512817563744654744327126467577497183427154239570262515542915249594960755325200935160471993637389850200762041871661292960290505694967317307126849760697926191933864789842475924278461820719950823256581946021521231939310693775460910130778676727261338282177818865573499155500398684126589476810769672044132652816483909323053512965854690233430553267477255612241370211848324564477677852475196832783788199411654668995974530940518094106963802603080815946713395323581020329495561334568833477904488258832103472847746253355196154844309516013997280208982989469182296792023789973867502939756604348302547615055070339352987870879900352432404864062257487580287903865056078919516834022732042871810414709538533249261749589140502842988667376514651427743328524918302552761340525461800103228645870234258585611804767907366522365442852794953026023018499697587132440626859646357463527575144944530364903850516075987000739046102958375593252930017140524668406130378491935004214350917756256764548217604615554141143414273527452817353472053555726144732491952556130636148585594378405084257704764610971064643372050245747997052705205952829981619454067335404989476338417367888189297
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 47 of the certificate chain of a 3,113-digit prime (190 intermediate primes).

Certified number3,113-digit prime
Certificatedownload
Certificate chainshow step 47 of 190

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008766976216 --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":1100000008766976216},"decimal":true,"detail":2}}'