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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 #1100000004939278807 1,209 digits created 2023-10-25

Value

142233863761112438134447073534297936597754845781951040767025912217554441032506937171474605019596876087928307479652198418863761040947467757598317504610627224826768604842753474265661111206390380491215526530399727151965510899262599288977235197573608154796209725995180644962055108971127550482425043072718270278460762605077885455809684657405722947024614422186256780690415183003441700393215416328525356155195375511328161699096234514542942169757898237260925763026797689188911708119538254381843644536783651220297951151831057324618799901097678119871971328812577976560457368028079317907981375352292860892349275656139885788665388512666086399907428286229986417725995751729245415707101604596057007883674769760070478620152615426634653584810038609041897029569228013750897591280875630790694146430249789261721593812599614400962423835766809051758824552959150960843270513215418237871425842090387414038007396970162024889034244026702863942809793089139457332936254769421986366606598033119545277065318427572245410498546293373004725570111609858388789334015301506283810269284278064906598798897438796780355529407852601005812835353000915642364318908053509800720081271724523972426306811908666176294862425093433058207218297559118118152403
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 50 of the certificate chain of a 1,663-digit prime (193 intermediate primes).

Certified number1,663-digit prime
Certificatedownload
Certificate chainshow step 50 of 193

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004939278807 --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":1100000004939278807},"decimal":true,"detail":2}}'