Q: What are the prime factors of the number 15,240,008?

 A: 2, 7, 71, 3833

Why are those the prime factors of the number 15,240,008?

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 15,240,008

15,240,008
Factor Arrows
27,620,004
Factor Arrows
23,810,002
Factor Arrows
21,905,001
Factor Arrows
7272,143
Factor Arrows
713,833

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, 7, 71, 3833

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 7 x 71 x 3,833 = 15,240,008

This can also be written as 23 x 71 x 711 x 3,8331 = 15,240,008

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


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