Q: What are the prime factors of the number 5,742,800?

 A: 2, 5, 7, 293

Why are those the prime factors of the number 5,742,800?

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 5,742,800

5,742,800
Factor Arrows
22,871,400
Factor Arrows
21,435,700
Factor Arrows
2717,850
Factor Arrows
2358,925
Factor Arrows
571,785
Factor Arrows
514,357
Factor Arrows
72,051
Factor Arrows
7293

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, 5, 7, 293

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 5 x 7 x 7 x 293 = 5,742,800

This can also be written as 24 x 52 x 72 x 2931 = 5,742,800

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


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