Caleblogen7 Caleblogen7

01-06-2016
Mathematics

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What is the least number that has 4 odd factors that are all the same? Each factor is greater than 1 and can have only 1 itself as factors

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01-06-2016

How about 81 = 3 x 3 x 3 x 3 .

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apologiabiology apologiabiology

01-06-2016

greater than 1 and only 1 and itself as factor
factors have to be prime:2,3,5,7...
it has to be odd factors: 3,5,7
least:3
all same, 4 of them, 3*3*3*3=81

answer is 81

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