Identify the cube root: Identify the cube root of 343.To find the cube root of 343, we need to find a number that, when multiplied by itself three times, gives 343.
Find the prime factors: Find the prime factors of 343.Prime factors of 343 are 7×7×7, since 7×7=49 and 49×7=343.
Express 343 as a cube: Express 343 as a cube of 7.Since 343 is the product of three 7s, we can write it as 73.
Apply the cube root: Apply the cube root to the expression.The cube root of 73 is the number that, when raised to the power of 3, gives 73. This number is 7.