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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 #1100000009055123718 1,481 digits created 2026-08-08

Value

22831399496023546136678316582549586595101345546996182479672537965591696408669668938985720009158333800965867693377420947214253444558604103981769896549497105237484327866063027672923891525902523343137346403680987547858964333949750358724429493182138171678723697856433873597161118121357355445226791782408980422120643542452986996753882977455129256010429648832866032104416150171798120294758845295584447821355558588724019399100401223567234540532146931751970831363154350764472878833841268424933079667478698302603621443006917282969659752575442782715225336794648358067326673337977779449606641053044892960360137460609369353728755251135805324757394785913284760252209144368701288970346557902143047725793566989846875476637900087870142375123166094538716920804222440866786418740975683728872186644973488535855382787817728991967713022321068923352931913018274133431297618979927381681282251873910880622676848468980137285360414868857424152509310795164462529021589298975116665681422862309086225293263751369928626538326705488150738959320974824015549768051209608625139643846191166678017831969860613406887262486586517273127477246286505271297672412057110842383852796369554223542556719985880946865246779449021217225701392857015306784548051757188951824556278803472637751375875394158230827163791734819632797362280492813358900133474552005080148895350286116824012899178537337546634671730051351567743182076148092345108128811995704560009686362453755505545895070984424754912076408264043096570287137934969131182992953
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 81 of the certificate chain of a 2,419-digit prime (185 intermediate primes).

Certified number2,419-digit prime
Certificatedownload
Certificate chainshow step 81 of 185

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009055123718 --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":1100000009055123718},"decimal":true,"detail":2}}'