Q: What are the prime factors of the number 3,710,040?

 A: 2, 3, 5, 43, 719

Why are those the prime factors of the number 3,710,040?

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 3,710,040

3,710,040
Factor Arrows
21,855,020
Factor Arrows
2927,510
Factor Arrows
2463,755
Factor Arrows
3154,585
Factor Arrows
530,917
Factor Arrows
43719

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, 43, 719

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 5 x 43 x 719 = 3,710,040

This can also be written as 23 x 31 x 51 x 431 x 7191 = 3,710,040

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


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