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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 #1100000008676154718 1,705 digits created 2026-03-10

Value

2146906968042691961310909433378815090468007329878809101801930879414138665811523502758141836828612929738448140222538348268429240990758373207777139803144586023110088677052377020418848870632450035045419635350965103854199449893718612865420836682811542943312342862471547294079854515318146813460459119072210821708279563106115088574059996426315004347545134634130165787275835283897987406308546948227760268446425473199949086132137623383900353379306623547584299342837166221414452440042315111987749266007428857442972293965623130692013504038654625128035265036441049621824069040023726177238033777207588524497560743533412700103110093994874083399079268784793358736074869634301534479909207907872871832454116657071336694790998992766828467319571263995356093045379457737772583611872934318117874637772253442425221412911039740758230182436404686503345594250288017854800814123175240043871347821742248200017313280888727335939578611389317984813493074042190063284955546823751938139997902678807035308534551219422067225255637818276685099802584657655400684772700902449746925905462155097507289394696781546029074777756358517047301555512652947456658222195985725674998307488098327630193228272136890073144906131502530562771690383798604564412940282525223960742298574399261986028449091864027544826534147367144411843053090238622302846219234319582782716656099614728144002976730148086397299233084265619478951342522716295969434892654589318421763099411579190489052774139079243605681000943187965793068641459485898354727424310468105598324691503946838815516367745392647886078602741595638352229718230905858349414565833798866672392694936233856780773466121484673031968206459853548621665482082159594949215198879871810889477916132198041522463725603342277
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 80 of the certificate chain of a 2,849-digit prime (193 intermediate primes).

Certified number2,849-digit prime
Certificatedownload
Certificate chainshow step 80 of 193

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008676154718 --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":1100000008676154718},"decimal":true,"detail":2}}'