Question

For which number 15 is both a factor and a multiple?

Answer 1

Let x be a number, it is a factor of itself as " x/x = 1 " & it is a multiple of itself " x * 1 = x "

So, x would be a factor & multiple of " x " .

Here, x = 15 .

So, 15 is a factor & multiple of 15 .

Factors : 1 , 3 , 5 , 15 .

Multiples : 15 , 30 , 45 , 60 ......

$\therefore$ 15 is a factor & multiple of 15 .

Hope helped!

Answer 2

15 is factors and multiple of 15