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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 #1100000009048955269 1,290 digits created 2026-08-06

Value

757766619045619462763315976954264383738086847069340677372341184187364479788214414996271820407219114268271859490592805714678290158758222832867631162822420842376800973320956792224354279690800498909023020002164585139631629396237534200576670918772148086069558247551715899428854957171758440742274048837334402763878392582275710220199440088276295405485408276489630212492226320311957632174423499583217548024774439916955152269823769945697577103993333179067528853678954311790746665787875072007695606384436939510443727659313995287360883241818581153169355329577069680333770291393815942282604356210278518004295845010304665203855256389150634082421200549433111265894250807713722217331792402609654367957163365862611819904501567282814725073402881002390851474101631672833561833073935286192233886379820446614890504326557445545809962069852556446666530249235504380450719662889414242962192237039835990926152060393964264717877690139072241272137176956682696709709012562670090287413553937760036275765988659619380505168454590385434462502674622518419915486643267527656207626223501639801498079557462783577979996378357293522946658008795083624724025088905868327446802369960136262998611487695509125743738795518098974467187429152668441823538963750365037666304681746376207194971127461203885906650001997689906411389219047281
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 18 of the certificate chain of a 1,512-digit prime (119 intermediate primes).

Certified number1,512-digit prime
Certificatedownload
Certificate chainshow step 18 of 119

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009048955269 --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":1100000009048955269},"decimal":true,"detail":2}}'