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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 #1100000009028526216 1,063 digits created 2026-07-31

Value

3533826269578874225851724554337276896454716332844802512350419811374039927912058475760157823557253542552436757724785269690681895499497510615443747386878071947937391172779641349123223997915257986653000262563119313281997879645757999828908917745725305052203074338517082495209008067747281286571733337524322122876520928787895643015315898553463595218841230216568942928373982670493028176842288340514383648027577628567322618647133239237603289196476954859885906368723866875282519549014027532516806906013380572704613151620447732628658542130697523307130331166463584979737237933829454575998004968898308022632033715596279135612507810826195505997596830489334943437420876407771463992878973096319125465959809506545475144063679599043153813300629882992615788602561774193173324530860913804216693211397278463693084887032004441216042738487723851924867438204245174430282008302102860241369046697241616889612821633562427970021319717040729833460941660523784950952485289106642787836759958018835881431110014294125260173565807917616875666242036301073807109907008226286079989733511191501508473
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 16 of the certificate chain of a 1,208-digit prime (110 intermediate primes).

Certified number1,208-digit prime
Certificatedownload
Certificate chainshow step 16 of 110

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009028526216 --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":1100000009028526216},"decimal":true,"detail":2}}'