Q: What are the prime factors of the number 5,871,372?

 A: 2, 3, 13, 61, 617

Why are those the prime factors of the number 5,871,372?

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 5,871,372

5,871,372
Factor Arrows
22,935,686
Factor Arrows
21,467,843
Factor Arrows
3489,281
Factor Arrows
1337,637
Factor Arrows
61617

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, 13, 61, 617

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 13 x 61 x 617 = 5,871,372

This can also be written as 22 x 31 x 131 x 611 x 6171 = 5,871,372

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


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