Q: What are the prime factors of the number 13,864,158?

 A: 2, 3, 7, 11, 1429

Why are those the prime factors of the number 13,864,158?

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 13,864,158

13,864,158
Factor Arrows
26,932,079
Factor Arrows
32,310,693
Factor Arrows
3770,231
Factor Arrows
7110,033
Factor Arrows
715,719
Factor Arrows
111,429

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, 7, 11, 1429

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 7 x 7 x 11 x 1,429 = 13,864,158

This can also be written as 21 x 32 x 72 x 111 x 1,4291 = 13,864,158

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


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