The question is..
( 16, 25, 36, 49, 81, 100 )
The numbers in the box are square numbers.
1) How many factors does each each of these numbers have?
2) Is it true that a square number always has an odd number of factors? Give a reason for your answer.
Answers
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Answer:
1 min
Step-by-step explanation:
16 factors are 1 ,2,4,8,16 and negative are-1,-2,-4,-8,-16 so it have 10 factors
25 factors are 1,5 and negative -1,-5 and it is prime number so it have 4 factors
36 factors are1,2,3,4,6,9,12,18,36 negative are -1,-2,-3,-4,-6,-9,-12,-18,-36 so it have18 factors
49 factors are1,7,49,and negative are -1,-7,-4,-9 so it have 8 factors
81 factors are 1,3,9,27,81 and negative are -1,-3,-9,-27,-81 so it have 10 factors
100 factors are1,2,4,5,10,20,25,50,100 negative are -1,-2,-4,-5,-10,-20,-25,-50,-100 so it have 18 factors
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