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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 #1100000008678061237 1,145 digits created 2026-03-11

Value

16366343289062169929300117932259106601868384820997215976903570176202325653736678731110078568232353983484854156193187787624472723974483970749059560769773853130206516265503054236708478695344067656960723826327077060471582645220173102854593057762552938287821759760614108911017966094456775222309304120961044039089395954588433422847356594190100253335940930230602093124945877817457247545341855477413566067776585709497283261427745501978642634919826243948094809327626095940397378850805716993597510434664280616137497289318553820950505989192616758475510408878860710507323158079655520537271651553989977090663736848775986935284239105619798252755587351527578050563380907055293284603978930195215295660793502046515302437718218572497453931842770228964372097195228554012476265803567010927434618483105097031151127697060743469857192754771536409974118512391037170696490386700195253495479490480523976364638445942302872539884339568609519736479454802009410149789754233869079761409005664891834345472230805495359499042409936712297000310865333397297089431532195710228854283991391141564051046481028052761580600368553752409560451652825313928140143973367233310390886197396817
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 67 of the certificate chain of a 1,798-digit prime (188 intermediate primes).

Certified number1,798-digit prime
Certificatedownload
Certificate chainshow step 67 of 188

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008678061237 --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":1100000008678061237},"decimal":true,"detail":2}}'