3 x 5 x 5 = 75
1 x 75, 3 x 25, 5 x 15.
x = 75
There's only one single number that equals 75. That number is 75, and it's not a prime number. If you mean which prime numbers multiplied together equal 75, 52 X 3 works.
Assuming your equation looks like this x÷5 = 15 then x = 15*5 x= 75
3 x 5 x 5 = 75
5.2 x 5 = 26 13 x 2 = 26
375
75 = 1 x 75, 3 x 25, 5 x 15, 15 x 5, 25 x 3, 75 x 1.
75 = 3 x 5 x 5
25 x 3 75 x 1 15 x 5
1 x 75, 3 x 25, 5 x 15.
5X = 75 divide both sides integers by 5 (5/5)X = 75/5 X = 15 ----------------check 5(15) = 75 75 = 75 checks
12 equals 3x(4) equals 6x(2) equals (12)x1
1 x 75, 3 x 25, 5 x 15 = 75
3 x 25 5 x 15
x = 75