Q: What are the prime factors of the number 5,679,904?

 A: 2, 17, 53, 197

Why are those the prime factors of the number 5,679,904?

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 5,679,904

5,679,904
Factor Arrows
22,839,952
Factor Arrows
21,419,976
Factor Arrows
2709,988
Factor Arrows
2354,994
Factor Arrows
2177,497
Factor Arrows
1710,441
Factor Arrows
53197

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, 17, 53, 197

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 17 x 53 x 197 = 5,679,904

This can also be written as 25 x 171 x 531 x 1971 = 5,679,904

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


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