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 #1100000009050562142 1,479 digits created 2026-08-06

Value

347457885106747123126279631003965821848274400871242269036000806946152606822314338271111688883935145298229052734980572766728814359067002792582907429673387271976307694882123053850958557018274059507457850866023927894164506755743771299169455685953113905884376303406867870707866768812372630905567400972181480745820895373835104830062801220403455481237082202232391504123321888609525046506861424102312941796500109677873943153839859489607110813016015915638324691617599621880395038413370996909706533347408031804051348344121371852587659839960501822723034696055479200241784838821427815985463760002714888863120108564483373123225891373970735847639057344230196743735800044721773010087554241011957573546667883875241788865578414724565755100593230034845027316330097764575633264485102126399769887375643912965317564216130158582205488437977079257623680512678446526004662020543109497388655757100341830826023288552224342708842952395704203748643033729766482859214357974801908629501970156856243437514924500838613645563904972531842388611481886508723904093513300860534221203292290693657438699117453120808758334934004937425234103956006904050038600978215709151777869170468557609801846502994755580395450981401028301176696185116968244539960184543247205897751349033212908838696325516009611078935536456992411429833004294768013693733995979058399713204256740299053732384219339393185136377051835929523202774002113261660856451528637428218320991408394828127190942406938285469190322651696030142044547738053887636862919
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 6 of the certificate chain of a 1,532-digit prime (127 intermediate primes).

Certified number1,532-digit prime
Certificatedownload
Certificate chainshow step 6 of 127

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009050562142 --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":1100000009050562142},"decimal":true,"detail":2}}'