How do you find the prime factorization of 99 using a division ladder?
1 Answer
May 18, 2016
The prime factorization is:
See explanation for details.
Explanation:
This is the division ladder for number
99 | 3
33 | 3
1 1 | 11
1
On the left side you write the results of the division, on the right side you write the prime factors in increasing order.
- 99 is an odd number so you skip
#2# but it can be divided by#3# . The result is#33# . - So you get
#33# . Again it is an odd number, but it can be divided by#3# . The result is#11# . - Finally
#11# is a prime number, so it can only be divided by#11#
The prime factorization is:
