Q: What are the prime factors of the number 537,888?

 A: 2, 3, 13, 431

Why are those the prime factors of the number 537,888?

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 537,888

537,888
Factor Arrows
2268,944
Factor Arrows
2134,472
Factor Arrows
267,236
Factor Arrows
233,618
Factor Arrows
216,809
Factor Arrows
35,603
Factor Arrows
13431

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, 13, 431

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 13 x 431 = 537,888

This can also be written as 25 x 31 x 131 x 4311 = 537,888

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


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