2 x 2 x 5 = 20
The prime factorization of 400 is: 2 x 2 x 2 x 2 x 5 x 5
24 x 52 = 400
2 x 2 x 2 x 2 x 5 x 5 is the prime factorization of 400. 2^4 x 5^2As a product of its prime factors in exponents: 2^4 times 5^2 = 400
Use a factor tree. 400 200,2 100,2,2 50,2,2,2 25,2,2,2,2 5,5,2,2,2,2
The primes are: 2 2 2 2 5 and 5
22 x 5 = 20
400 = 2^4 × 5^2
The prime factorization of 400 is: 2 x 2 x 2 x 2 x 5 x 5
The prime factorization of 400 is 2x2x2x2x5x5 (or 24 x 52 in exponential form).
The prime numbers (factors) of 400 are: 2 and 5
The square root of 400 is 20.
24 x 52 = 400
The last prime before 400 is 397.The prime factorization of 400 is 2x2x2x2x5x5.
Prime numbers can't have whole number square roots, of course, but the largest prime number under 400 is 397.
Square root 400 - square root 196 = 6
Neither because the square root of 400 is 20
20 and -20