Q: What are the prime factors of the number 3,042,360?

 A: 2, 3, 5, 313

Why are those the prime factors of the number 3,042,360?

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 3,042,360

3,042,360
Factor Arrows
21,521,180
Factor Arrows
2760,590
Factor Arrows
2380,295
Factor Arrows
3126,765
Factor Arrows
342,255
Factor Arrows
314,085
Factor Arrows
34,695
Factor Arrows
31,565
Factor Arrows
5313

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, 5, 313

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 3 x 3 x 3 x 5 x 313 = 3,042,360

This can also be written as 23 x 35 x 51 x 3131 = 3,042,360

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


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