Q: What are the prime factors of the number 3,020,800?

 A: 2, 5, 59

Why are those the prime factors of the number 3,020,800?

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 3,020,800

3,020,800
Factor Arrows
21,510,400
Factor Arrows
2755,200
Factor Arrows
2377,600
Factor Arrows
2188,800
Factor Arrows
294,400
Factor Arrows
247,200
Factor Arrows
223,600
Factor Arrows
211,800
Factor Arrows
25,900
Factor Arrows
22,950
Factor Arrows
21,475
Factor Arrows
5295
Factor Arrows
559

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, 5, 59

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 5 x 5 x 59 = 3,020,800

This can also be written as 211 x 52 x 591 = 3,020,800

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


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