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def gcp(number)
	for i in (2..number-1)
		if number%i == 0
			return gcp(number/i)
		end
	end
	return number
end
 
g = gcp(600851475143)
puts g

Success #stdin #stdout 0s 4760KB

stdin

Standard input is empty

stdout

https://ideone.com/v0sor

language:

Ruby (ruby 2.5.5)

created:

visibility:

public

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