Question

99 prime factorisation division meathod

Answer 1

Step-by-step explanation:

=3×3×11=3²×11

.

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 bedivided by 3 The result is 33

.

So you get 33 Again it is an odd number, but it can be divided by 3The result is 11

.

Finally

11 is a prime number, so it can only be divided by

11

The prime factorization is: 99=3×3×11=3²×11