Q: What are the prime factors of the number 388,352?

 A: 2, 37, 41

Why are those the prime factors of the number 388,352?

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 388,352

388,352
Factor Arrows
2194,176
Factor Arrows
297,088
Factor Arrows
248,544
Factor Arrows
224,272
Factor Arrows
212,136
Factor Arrows
26,068
Factor Arrows
23,034
Factor Arrows
21,517
Factor Arrows
3741

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, 37, 41

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 37 x 41 = 388,352

This can also be written as 28 x 371 x 411 = 388,352

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


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