Count the numbers of factors for composite numbers others than perfect square is that even or odd?
Answers
Given : number of factors for composite numbers other than perfect squares
To find : umber of factors id odd or even
Solution:
composite numbers that are perfect square has odd number of factors
composite numbers other than the perfect square have even number of factor
Number Factor Counts Even /Odd
6 1 , 2 , 3 , 6 4 EVEN
8 1, 2 , 4 , 8 4 EVEN
10 1 , 2 , 5 , 10 4 EVEN
12 1 , 2 , 3 , 4 , 6 , 12 6 EVEN
14 1, 2 , 7 , 14 4 EVEN
15 1 , 3 , 5 , 15 4 EVEN
18 1, 2 , 3 , 6 , 9 , 18 6 EVEN
number of factors for composite numbers other than perfect squares is EVEN
for perfect Square
Number Factor Counts Even /Odd
4 1 , 2 ,4 3 ODD
9 1 , 3 , 9 3 ODD
16 1, 2 , 4 , 8, 16 5 ODD
number of factors for composite that are perfect squares is ODD
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