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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 #1100000009065809315 1,535 digits created 2026-08-10

Value

15841695654609520691467072897199428928588753468605282483813421240261348142212958714853387933039209459617172871273955397026108229931395116180427577153014962970314655653188033343193136603714485601314954317593039237133919130280508398622963678286502391692594358236924299004610863433114695178381797949281797940962017260271607103239953240195365824468904874557866938496203747772886448356680176993625016014943726642885773562425831969430365505639918650825259195988233338113856642930058808019504641726881133261355028610826338316924050846276925497979372761683143857873642997708337089593679958243922301877493357165935956272081640829447487691764338000670782101531434540742996815175480027406326144573939589423462458086237179769605019633987329456758323281062779980478548481104602492327130378673567037918115790057004361730287170756987029824014231828008757493704766362034767371685081915857794764869887715909760868103513007280847263486314345244939465839714137232730365574198814299683603288677670334249166399030363320779078222844319310517109723167385720830876357094147825742850965556086794022812352280573893305319572619751728802637079902230894274712905034209722548521731081181377045631175719291673062421724743721965763709045383652425510854118771996470224886447497578254398717294266134956584324266616803534511638647181341992410622376806419613073821660300439034313529606805283734879835815842204848802500541964156894211380007192635526106802012128123438049289543192291463161812019285553945218689358054617553188362442175084991479146398482199556089486492902489
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 13 of the certificate chain of a 1,717-digit prime (129 intermediate primes).

Certified number1,717-digit prime
Certificatedownload
Certificate chainshow step 13 of 129

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009065809315 --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":1100000009065809315},"decimal":true,"detail":2}}'