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 #1100000008677877989 895 digits created 2026-03-11

Value

1018362926778125034637567940214075027152865006301118198875607129218214204294613471471959712755635668103233806561716647510623996170648516790586752360834323218547089071030273120122204645369355751714406084038164379946094828227016097335953488037750597901703319931740745095444419535034341623824235119500848493252439626172488921194414340504654304404581755745628231278057266056695601988301606203569862443096789001138082058726114418587853380450622531774402019340633340401803951291165793862025540551461113041048473545939494544962417107291730633618109902092840933972395138759967244531954844329485599298130205145658929781893216515301365207952639981314178524160347344899406877803938561002468978812685431932059644559957738324406556932593321490831912229724357732577629543118112246067946107007875322339753633718683837800371467605567217864102495407043616050535913227305396435072504674199583909748522226172852287
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 81 of the certificate chain of a 1,740-digit prime (182 intermediate primes).

Certified number1,740-digit prime
Certificatedownload
Certificate chainshow step 81 of 182

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008677877989 --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":1100000008677877989},"decimal":true,"detail":2}}'