Q: What are the prime factors of the number 135,435,443?

 A: 11, 13, 109, 8689

Why are those the prime factors of the number 135,435,443?

Prime factors are the prime numbers that can be multipled together to equal the original number. You find the factors by dividing by prime numbers. It is best shown by creating a Factor Tree.

Factor Tree for the number 135,435,443

135,435,443
Factor Arrows
1112,312,313
Factor Arrows
13947,101
Factor Arrows
1098,689

The numbers in bold above are the prime factors. If there are multiples, you only count them one time. This leads us to our prime factors of:

11, 13, 109, 8689

We can check our work by multiplying all of the prime factors together: 11 x 13 x 109 x 8,689 = 135,435,443

This can also be written as 111 x 131 x 1091 x 8,6891 = 135,435,443

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


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