Q: What are the prime factors of the number 15,303,068?

 A: 2, 11, 29, 67, 179

Why are those the prime factors of the number 15,303,068?

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 15,303,068

15,303,068
Factor Arrows
27,651,534
Factor Arrows
23,825,767
Factor Arrows
11347,797
Factor Arrows
2911,993
Factor Arrows
67179

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, 11, 29, 67, 179

We can check our work by multiplying all of the prime factors together: 2 x 2 x 11 x 29 x 67 x 179 = 15,303,068

This can also be written as 22 x 111 x 291 x 671 x 1791 = 15,303,068

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


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