count the number of factors for perfect squares (4,9,25......) Is that number even or odd
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Number of factors for perfect squares are always odd
Step-by-step explanation:
Factor of
4 = 1 2 , 4 ( number of factors = 3 which is odd)
9 = 1 , 3 , 9 ( number of factors = 3 which is odd)
25 = 1 , 5 , 25 ( number of factors = 3 which is odd)
49 = 1 , 7 , 49 ( number of factors = 3 which is odd)
Hence number of factors for perfect squares are odd
as square number always have one factor as a * a
so that pair has only one factor
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