Q: What are the prime factors of the number 5,710,320?

 A: 2, 3, 5, 7, 11, 103

Why are those the prime factors of the number 5,710,320?

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 5,710,320

5,710,320
Factor Arrows
22,855,160
Factor Arrows
21,427,580
Factor Arrows
2713,790
Factor Arrows
2356,895
Factor Arrows
3118,965
Factor Arrows
339,655
Factor Arrows
57,931
Factor Arrows
71,133
Factor Arrows
11103

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, 7, 11, 103

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 5 x 7 x 11 x 103 = 5,710,320

This can also be written as 24 x 32 x 51 x 71 x 111 x 1031 = 5,710,320

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


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