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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 #1100000008680844363 1,889 digits created 2026-03-12

Value

15974611559325888556162487959226818565338087796382356055545375092894075059075664360682406114623904434873166211212584163505106989219598030245077347291324759745073210861636382580527352223833791527786949443517860534692417993388202374549357617977393789319369868077441188257919839275930773349854817831801982729892622444043049699960167349557171294431519241563490395534746582258253237782906424380777814182153742079929748481625817425516765769595037509755620114190108839509307244978068213073622713649903961209442884032315561793362134826171488259552689388016113516436354203789285644950264929069612547777387590324583984673653371164229434945991851194442633669118397733979144921918122592939701669713168510977998744355427257903812949471645868957307421294964806250029696417788015753462418809839736517486217862884288367680719040585890157739973552127747451611623017605103915306243960025725670887909810136857107582793338260838629652439627814021409423872178747859334022725974167873387926461544149594050812889409909534237522682687389987965993744646232355686424215412157715413212199161665860290187813098265661513153914697226606309148041285788529991767984223483236398788441152543107226028476560924322900097299191561116755702553577006825501002677995793531924366002607433034014441892809379043758564828680406475908435560005184223635095226929085498202572372548064007270544726965534034155845447142895360098177120519917865146319981090500273888483719840256160729144457208737514835916820415470429847630372345892108683862544547915590997204286899864044286231556922329179092790852863900471661637216100191945319408632039398036214631291583815478362580922511216605432558120316879697237738104491235236824473048105397715709763923029439468865690831812362855492411826160889170418799905499872184648325566675331269796219446944010106834600456408494145851189371378226287639776395147916007862864514822453664481246904410738176440628393
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 48 of the certificate chain of a 2,622-digit prime (173 intermediate primes).

Certified number2,622-digit prime
Certificatedownload
Certificate chainshow step 48 of 173

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008680844363 --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":1100000008680844363},"decimal":true,"detail":2}}'