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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 #1100000004965319875 1,121 digits created 2023-10-26

Value

19971199377279640851171785869419073805425082713781613751094432940154213078241386626630476311741566180900089124072357528101285815795229226737522646422210116019482888805373282155283172918803341425011552812710667842256401824631504821013536453498391121355622330723249981262766402026831458615245447612981956743768580621611093048902265569684492881602362103992400593291059193881088201074394599559348735272330339562156564573380499978727004051123456170983261473755894447499507691622382582848427014135415046047901771265388550265860526849605413784466748249932953032614091706174794289064532367418012356512081315321066312447630527845359375873205364966817952111871059934919315113586643458591208600812679300149944310455571152507785481301931739930717422174267127953425716597995666810995312464285098572121351929337518117602654634053437920580105694404248774328995645336891881483727704731052412585439399755597591865595298916110744298720884131168562931096704363156912032978847874979813544919908826379290039858447127811000184169197796585025134695928713292267799699347492811596905358456120333887484568090896626641789170366982443526280906635887
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 23 of the certificate chain of a 1,307-digit prime (164 intermediate primes).

Certified number1,307-digit prime
Certificatedownload
Certificate chainshow step 23 of 164

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004965319875 --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":1100000004965319875},"decimal":true,"detail":2}}'