Q: What are the prime factors of the number 1,580,352?

 A: 2, 3, 8231

Why are those the prime factors of the number 1,580,352?

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 1,580,352

1,580,352
Factor Arrows
2790,176
Factor Arrows
2395,088
Factor Arrows
2197,544
Factor Arrows
298,772
Factor Arrows
249,386
Factor Arrows
224,693
Factor Arrows
38,231

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, 8231

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 3 x 8,231 = 1,580,352

This can also be written as 26 x 31 x 8,2311 = 1,580,352

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


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