Prime factorization of 15972

Prime factorization of 15972:

By prime factorization of 15972 we follow 5 simple steps:
1. We write number 15972 above a 2-column table
2. We divide 15972 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

15972
prime factors	number to factorize
2	7986
2	3993
3	1331
11	121
11	11
11	1

Prime factorization of 15972 = 1×2×2×3×11×11×11= $ 1 × 2^2 × 3 × 11^3 $