Question

What is the prime factorization of 2,800

Answer 1

         2800
       28   100
     7   4 25  4
       2 2 5 5 2 2

2x2x2x2x5x5x7

Answer 2

$2800|2\\1400|2\\.\ 700|2\\.\ 350|2\\.\ 175|5\\.\ \ 35|5\\.\ \ \ 7|7\\.\ \ \ 1|\\\\\boxed{2800=2\times2\times2\times2\times5\times5\times7=2^4\times5^2\times7}$