Prime factorization of 2142

Prime factorization of 2142:

By prime factorization of 2142 we follow 5 simple steps:
1. We write number 2142 above a 2-column table
2. We divide 2142 by the smallest possible prime factor
3. We write down on the left side of the table the prime factor and next number to factorize on the ride side
4. We continue to factor in this fashion (we deal with odd numbers by trying small prime factors)
5. We continue until we reach 1 on the ride side of the table

2142
prime factors	number to factorize
2	1071
3	357
3	119
7	17
17	1

Prime factorization of 2142 = 1×2×3×3×7×17= $ 1 × 2 × 3^2 × 7 × 17 $