factordbrpc · fdb
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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 #1100000009080742387 1,206 digits created 2026-08-13

Value

238483475935201406043959287454240318657448328864174934905309284133767687676509111527866642365219395611562238198532779562237344689810001822778448288011010684584240119208159362140855679354338671564714613100186304487844471309130825152657650533942137148426987813512161956071313372089802342531991297334973071414883008950694196468731639434437224750392666984258835236504642157036737260691042415601789413704998050490498037777189299499015517639366202367718903326442818959402161470110748240027335527415202721861652567150931081423063067515587633774259451250364967505111093509884244482812500461502052943113906785747284422219682849931075829634784429315514541097407486578834252038716757870595886465161336966733174546948110635008987793912101125857128203984999356021905656567763052311258184074076884109564729772072559130223798240139399319828667276912513755347566136091231337798614193650726204670660981453598666851140615078439960511511368209553157752674781360881518200399032228093669561015297703165695960609244452337358526563439836368248610745969274720166539458170931990823757934312525147411041198819945101734560294927692268872058133427910127243355851898782892377370993559645208948424935463974190484537309052416066216281039
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 59 of the certificate chain of a 1,928-digit prime (154 intermediate primes).

Certified number1,928-digit prime
Certificatedownload
Certificate chainshow step 59 of 154

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009080742387 --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":1100000009080742387},"decimal":true,"detail":2}}'