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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 #1100000008680839675 1,239 digits created 2026-03-12

Value

126614444133344540087616672538301712327787460390671121131277732767499941033669747630091329295353364764538515476826439981211766524912262979486800760565483167580421824680420638682820266037049503882492074451315319792910570736061837858550139685270053233292764893029463828366154795858461185363842733813036897776326471168247020462010117585771667138235638796749720704375320435891349080608099759669879434830615225068261034812386358356610073649311645673249762393742338887142717852873682407820444716271196419574139704174698688271398949960368827574622321421352670997178696829261392613813422535290244420284255216215964062995708164239380063280834937307682022596606518193092200404009975662175439098907483083571623343102553400301050556154618637964117527226494609410231312698678001814959132407852951628505576539801227084497349834686544125830205997093396751766306869079018039393759857601759332801524909899973139845645966763040738799531596963155566724370486674376381079450480437972208760541302832412457086412425328583245053197685027882988383899512567229983040262804752373416046274981184425760996724242226452471762139391492972998703247466714469852497507246808157785675451308327958198602275720499896282290722550050825223987400814045252333558490910813195374479
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 87 of the certificate chain of a 2,571-digit prime (165 intermediate primes).

Certified number2,571-digit prime
Certificatedownload
Certificate chainshow step 87 of 165

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008680839675 --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":1100000008680839675},"decimal":true,"detail":2}}'