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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 #1100000008677271043 1,076 digits created 2026-03-10

Value

19883009243506121298336980319718465226350352745732399103012985842536810816515833050962277995665929550932160336967666841070547371849024419915201822464309403598848670298364447243286513720676544454501093493384422758831893783627535442955318931552688882758719527435492839653730419614422479035121039354492878288182127444559358895870335433257109232026730947635032499067973016259269458682517870357583777675744193859727235022183467977599037544209809484345697073223084282176135777751849064354941159726652069937934888939447986083044910157271351249064223932790243123384877923764845694146818006433700517798096880631243326428542730166867539740124052324961741980610527041442379846014177388687934132052388048521341048646632043528616140607661852856288279354818330565625135349417038413191096253475644117208772699895235710442151200405771463485834632450982153944378644687376870861743911138504310996008590009313719684341500235629481698416926732049326889058308807931057440106819262546991210922346867813710660757066574908955809800244520989276145767761497222225536047657184647289048860194823499589803
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 52 of the certificate chain of a 1,675-digit prime (163 intermediate primes).

Certified number1,675-digit prime
Certificatedownload
Certificate chainshow step 52 of 163

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008677271043 --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":1100000008677271043},"decimal":true,"detail":2}}'