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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 #1100000004990781250 985 digits created 2023-10-26

Value

1877451073216480942472460891992204865553182676126260732023621631037944512740905145400299406313477351088152488402523893526962229261491465414012592444530823975878511219928084015836191475926820950441533388758131088112288865282010712278461436869997925792120183028920095073553038453032363859656860265106030801714366217040831219178101032333837135327096410249323885279687489677084072755755240077692036355773532509316551604221985222011439699469568000011271404961736637997280120427518425652325093708786324603976772950556896482554273410604173274207194123645728824341559263635768904995648333558501446229271669610246741714523542655482273329249284144588169264429885224111680981784826980838188568751161307847337927312330362096671306772206348110234951623589156701763695055612127906581910825948129708154222954609579251448780604293059712475748445464238186127039578855040863721783560432570086823946683138695417410483649938681566376890640038185441682898948642983284723661460980033428917112369818399286619
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 10 of the certificate chain of a 1,078-digit prime (98 intermediate primes).

Certified number1,078-digit prime
Certificatedownload
Certificate chainshow step 10 of 98

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004990781250 --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":1100000004990781250},"decimal":true,"detail":2}}'