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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 #1100000004940191989 1,206 digits created 2023-10-25

Value

190375163539236622922572498060753530210130745691674841657720885680565236432247816650562277166239064940645116199671883601770520600527418371156651232759356121553671734278771266919235140261162769538558186545807938073285222915349048686155878145889098493977094794445266367766163982055660752371234907602229494122378124136534312962319531269360744728758245066450166771785160767148536302688054675834421737674898702331398860626620397055896889740582711277793130229911896822926372654021334831731963252958807835226659418228791308973871396346356850441132507378998225958120837619170343099076893141047065680933357050143130270070504818887483021812685283807819134400186643455286139517549871452454570213886921078708425727396268286649492713909867533035423531759519783313338090114609050791154433285248911495891305379029047721094756497638280493971303041712904406248185744706220089933202824373539632022900336050641440602967641734388481159810908862457757313967894101498823667139625696859051646797989727855701885328558889785333023509249005507442202491702703662409542559145694452424362758605208718249906831946140057677994028653991153884155212742493415637763473995528170256944944517261649373273568684063190891596638178149754355439167
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 57 of the certificate chain of a 1,653-digit prime (203 intermediate primes).

Certified number1,653-digit prime
Certificatedownload
Certificate chainshow step 57 of 203

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004940191989 --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":1100000004940191989},"decimal":true,"detail":2}}'