Finding Largest Factor Using While Loop

2020 5 21
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更新时间：2020 5 21
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Objective: Find largest factor of any input
For example:
>> out = largestfactor(15)
out = 5
I am using a while loop and if statement to perform this. I cannot figure out how to grab the largest value from the highest iteration (i). Thank you for looking over.
function [a] = largestfactor(number)
i = 2;
while(number > 1)
if mod(number,i) == 0
number = (number / i);
else
i = i + 1;
end
end
a = number * 5;

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KSSV
KSSV 2020-5-21
编辑：KSSV 2020-5-21

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n = 15 ;
largestfactor=floor(n/2);
while largestfactor>0
if mod(n,largestfactor)==0
break
end
largestfactor = largestfactor-1;
end
Refer: https://in.mathworks.com/matlabcentral/answers/429241-how-to-find-the-largest-factor-of-a-number-using-while-loops

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