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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 #1100000009058402506 1,491 digits created 2026-08-09

Value

165944443952171736159375393503064403611586657260680247421882219677164877464625987082603943805087395419118954614932317640309944628884213453459521635894352939727981478510630354553881501432673852571415931667329383207701048966027257856281399576451634389589240164324359671814983400668488960764302161697345868073791654832023231419030778868551262244876237224280463058321124454217850626709545905012958658346203461984267914650371894536264778271934246320724386386248325813133116078709419520670144486728892015598881039721444831773399072300877255302831053874647994889445805423777138382882809439245856506976562340527572027038265846418732296429545748006024667609413955135091245550704381959057337733380788138376714128298228269430657631567545330910060468892724444001426618048466808625838903763456073590769903400754207234142211799859733532298249593197882015102507729595080606650250723270328564906538152624946761391221507255193490740651267257387811896185443598505453111217379815147209745855944660821046709925908913245137126451602497973812377645948033900326190369855671767209911704537953247056868238309801637531569216705601697375335716887446956162743808610153349746638715244430860153149876099018897221910181841781955758505856323137989835392440602142795589228201719642713324343507296880785892456313279252485353748793028541802249440832349411365284056119779404298213431911748441863095873980250333775228889223794919471518576802132454498635817330608870859894496358041493878529807889304994075487108003612701505543257
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 16 of the certificate chain of a 1,683-digit prime (129 intermediate primes).

Certified number1,683-digit prime
Certificatedownload
Certificate chainshow step 16 of 129

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009058402506 --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":1100000009058402506},"decimal":true,"detail":2}}'