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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 #1100000004955385538 1,007 digits created 2023-10-26

Value

20298564831687061067604480927333633564318876118732472321595493749970443163642594829747504754970181944342216953906060546885751021210446106912458989504702658956956998653654387410270258768416655576075979861254442466070321565034263299717383529104646761012112548847696638102943320928599992740960126651856796384399504744263134125591916444499403066511158419560969374519741624386789692360906751484975338620003851047656496790776914918238314602695997701713478426536768004391166458943662581388387474682167247386038914771717480748887796030909560222228621568062007219781118506259131955669611364451828515421946113523385026326899203767602314106856646614823800943248841845947683025849544089052505015287278902803054792198579715302309586460881447736936907250877350632657697802628395760350061023157093481282108693327621672030291325100659068335725822597391560472207254290276051581726123890428777487444059231813232468683882293786334074597212139789890444349872305781863259035715006466527222239646342652315697834922468352148197719
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 46 of the certificate chain of a 1,433-digit prime (164 intermediate primes).

Certified number1,433-digit prime
Certificatedownload
Certificate chainshow step 46 of 164

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004955385538 --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":1100000004955385538},"decimal":true,"detail":2}}'