Q: What are the prime factors of the number 6,408,575?

 A: 5, 17, 887

Why are those the prime factors of the number 6,408,575?

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 6,408,575

6,408,575
Factor Arrows
51,281,715
Factor Arrows
5256,343
Factor Arrows
1715,079
Factor Arrows
17887

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:

5, 17, 887

We can check our work by multiplying all of the prime factors together: 5 x 5 x 17 x 17 x 887 = 6,408,575

This can also be written as 52 x 172 x 8871 = 6,408,575

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


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