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 #1100000009048783148 1,281 digits created 2026-08-05

Value

328555517143384780467343695927683573537847081634163888139781600873213682261753932507023862132379226941240697724194154326733005978189383267496632024292710769424896687165397318526523635391769414720843577330454065243325997558058049617352327569235613830134965375521304038118632471989185385242139227952875964875458681659689483668921854947094794769458842408122351168037216703316512804361489830301657564775501397692337256960291892432021542028134115771532451847363831143884859883817250656059322389341797097504626638184409734704535404779718871279093525161060829548723641362269143689304793007595718749027945585199893027023072046919446861773962871160646867796247045476810153717774147299800248593668121356972392768578542855897290501444894984422731139690532467965560851490474058902253962298197552125616869479543081809180721786152486500656686466950118210083997186830557109001007056730456275330274140896211148099422196784515413201044834884806955145961249360989256281251488268319002242297606532168882613475776438690878896666017638720371606872430483029192403119770257728483330290709286141166234969860318385266008780822258766961302305245087950393890660980907191825791019215986129664916313983809934559970338563537028170495950213592886685558853399700493408349790209463592070069544568942645357347162717
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 20 of the certificate chain of a 1,503-digit prime (115 intermediate primes).

Certified number1,503-digit prime
Certificatedownload
Certificate chainshow step 20 of 115

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009048783148 --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":1100000009048783148},"decimal":true,"detail":2}}'