Lehmer's problem

GPTKB entity

Statements (13)
Predicate Object
gptkbp:instanceOf gptkb:mathematical_concept
gptkbp:category open problem in mathematics
gptkbp:concerns gptkb:Euler's_totient_function
gptkbp:field number theory
gptkbp:formedBy 1932
https://www.w3.org/2000/01/rdf-schema#label Lehmer's problem
gptkbp:namedAfter gptkb:Derrick_Henry_Lehmer
gptkbp:relatedTo prime numbers
Carmichael numbers
gptkbp:sentence Does there exist a composite number n such that φ(n) divides n-1?
gptkbp:status unsolved
gptkbp:bfsParent gptkb:Mahler_measure
gptkbp:bfsLayer 7