Q: What are the prime factors of the number 2,582,528?

 A: 2, 13, 97

Why are those the prime factors of the number 2,582,528?

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 2,582,528

2,582,528
Factor Arrows
21,291,264
Factor Arrows
2645,632
Factor Arrows
2322,816
Factor Arrows
2161,408
Factor Arrows
280,704
Factor Arrows
240,352
Factor Arrows
220,176
Factor Arrows
210,088
Factor Arrows
25,044
Factor Arrows
22,522
Factor Arrows
21,261
Factor Arrows
1397

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, 13, 97

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 2 x 2 x 2 x 13 x 97 = 2,582,528

This can also be written as 211 x 131 x 971 = 2,582,528

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


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