What are the prime numbers of 2520 using exponents?

2³ , 5 , 7 and 9

because 2³ * 5 * 7 * 9 = 2520

Factor tree:

2520

2 x 1260

2 x 2 x 630

2 x 2 x 2 x 315

2 x 2 x 2 x 3 x 105

2 x 2 x 2 x 3 x 3 x 35

2 x 2 x 2 x 3 x 3 x 5 x 7

The prime factorization of 2520 is 2 x 2 x 2 x 3 x 3 x 5 x 7 or 23 x 32 x 5 x 7.