Q: What are the prime factors of the number 238,855,716?

 A: 2, 3, 11, 29, 2311

Why are those the prime factors of the number 238,855,716?

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 238,855,716

238,855,716
Factor Arrows
2119,427,858
Factor Arrows
259,713,929
Factor Arrows
319,904,643
Factor Arrows
36,634,881
Factor Arrows
32,211,627
Factor Arrows
3737,209
Factor Arrows
1167,019
Factor Arrows
292,311

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, 11, 29, 2311

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 3 x 11 x 29 x 2,311 = 238,855,716

This can also be written as 22 x 34 x 111 x 291 x 2,3111 = 238,855,716

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


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