what is the greatest positive integer x such that 3 ^ x is a factor of 9 ^ 8 ?
"what is the greatest positive integer x such that 3 ^ x is a factor of 9 ^ 8 ? 9 ^ 8 = ( 3 ^ 2 ) ^ 8 = 3 ^ 16 c . 16"
multiply(subtract(9, 8), 8)