Q: What are the prime factors of the number 54,002,368?

 A: 2, 7, 149, 809

Why are those the prime factors of the number 54,002,368?

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 54,002,368

54,002,368
Factor Arrows
227,001,184
Factor Arrows
213,500,592
Factor Arrows
26,750,296
Factor Arrows
23,375,148
Factor Arrows
21,687,574
Factor Arrows
2843,787
Factor Arrows
7120,541
Factor Arrows
149809

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, 7, 149, 809

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 7 x 149 x 809 = 54,002,368

This can also be written as 26 x 71 x 1491 x 8091 = 54,002,368

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


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