Q: What are the prime factors of the number 162,356,455?

 A: 5, 31, 79, 13259

Why are those the prime factors of the number 162,356,455?

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 162,356,455

162,356,455
Factor Arrows
532,471,291
Factor Arrows
311,047,461
Factor Arrows
7913,259

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:

5, 31, 79, 13259

We can check our work by multiplying all of the prime factors together: 5 x 31 x 79 x 13,259 = 162,356,455

This can also be written as 51 x 311 x 791 x 13,2591 = 162,356,455

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


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