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 #1100000009074555394 1,135 digits created 2026-08-11

Value

2101920687376847764726885864353886239815339976657094484344549055356107202266641849772578125982188084308572219129082147581143590884170158666424516509229272797329462101563058822950562795446039838596170833749498750136158641566506849982053602820693527543635464564737183441709349022321142525165565472658943345667175083948185835200983016959033106482928102122333154627293169682597611643254027331249661974362802445321278018589891259580059308015181999431828239115387744136012369795392903579050647502876936648219088492049927049630832798076203088470406327758431966019500285357533183099264726207289281824757752363657693341539845308309358992659962102643422347466100230050190744319298588974015134913872658400837450895997084108896240744260668456453833216256790029990002223826354226221603747115193625250906866025606353215336209213687776243690300370441090125019835643189894224957912176770377841998285480216594212129878548801936088622091986101286966025647167871194300201974390493793883163743878475903821626445097168732460312194994606994958880737064867836976187727023555537419324233811679969223801346406940346715495818735564400742997347760910275622901967
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 82 of the certificate chain of a 2,126-digit prime (169 intermediate primes).

Certified number2,126-digit prime
Certificatedownload
Certificate chainshow step 82 of 169

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009074555394 --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":1100000009074555394},"decimal":true,"detail":2}}'