Sha256: b5f558d39af25321e23b4eaa89341576a1af3fbbc0624471ea554fc6c3aa4e27
Contents?: true
Size: 203 Bytes
Versions: 16
Compression:
Stored size: 203 Bytes
Contents
# coding: utf-8
class Integer
def powerful?
return false unless self > 0
divisors = positive_divisors
divisors.select {|d| d.prime? }.all?{|prime| divisors.include? (prime ** 2)}
end
end
Version data entries
16 entries across 16 versions & 1 rubygems