Q: What are the prime factors of the number 537,376?

 A: 2, 7, 2399

Why are those the prime factors of the number 537,376?

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 537,376

537,376
Factor Arrows
2268,688
Factor Arrows
2134,344
Factor Arrows
267,172
Factor Arrows
233,586
Factor Arrows
216,793
Factor Arrows
72,399

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, 2399

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 7 x 2,399 = 537,376

This can also be written as 25 x 71 x 2,3991 = 537,376

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


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