Q: What are the prime factors of the number 5,435,136?

 A: 2, 3, 7, 337

Why are those the prime factors of the number 5,435,136?

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 5,435,136

5,435,136
Factor Arrows
22,717,568
Factor Arrows
21,358,784
Factor Arrows
2679,392
Factor Arrows
2339,696
Factor Arrows
2169,848
Factor Arrows
284,924
Factor Arrows
242,462
Factor Arrows
221,231
Factor Arrows
37,077
Factor Arrows
32,359
Factor Arrows
7337

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:

2, 3, 7, 337

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 3 x 3 x 7 x 337 = 5,435,136

This can also be written as 28 x 32 x 71 x 3371 = 5,435,136

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


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