Q: What are the prime factors of the number 28,502,888?

 A: 2, 19, 23, 31, 263

Why are those the prime factors of the number 28,502,888?

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 28,502,888

28,502,888
Factor Arrows
214,251,444
Factor Arrows
27,125,722
Factor Arrows
23,562,861
Factor Arrows
19187,519
Factor Arrows
238,153
Factor Arrows
31263

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, 19, 23, 31, 263

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 19 x 23 x 31 x 263 = 28,502,888

This can also be written as 23 x 191 x 231 x 311 x 2631 = 28,502,888

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


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