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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 #1100000009080418440 1,132 digits created 2026-08-13

Value

1606213198524288482223695635961361723852781511700256319001991058211687318817260624380970599456350290766807518477102671918532494666735889051908328522237726687918391354929974032482113743731857201853174116180132950911143944886850166915024098463905066404171471866259145631628732477487105320426028723585197549759999255652449701282827923713589204893082779743064415733050120056087278405033637854280782569158194375187693322359469691065190553767056418462962660662549774415921116204945041386230843381758943308191210914663520969721803532358399003631920242850702020241197603622151204692870834964418433049912826279777415612262399200564963881805557581243367856452432114432013493564744638193782448464528697579900454106263761360475676117350284150765548413545475381286521092487137494255743038584125035337755607473475136519932739692401941892437674849926315950390161550069100335157856000516531713669406648522638064510381289460991758699966793186898579557369251876188891246079809266740717054639331347076036126260841699504545209518169177653967346773822432947690645170847146595377436805411894325802231278600818636507080425569812454280244241918259433040093
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 66 of the certificate chain of a 1,872-digit prime (157 intermediate primes).

Certified number1,872-digit prime
Certificatedownload
Certificate chainshow step 66 of 157

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009080418440 --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":1100000009080418440},"decimal":true,"detail":2}}'