Q: What are the prime factors of the number 28,313,088?

 A: 2, 3, 18433

Why are those the prime factors of the number 28,313,088?

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 28,313,088

28,313,088
Factor Arrows
214,156,544
Factor Arrows
27,078,272
Factor Arrows
23,539,136
Factor Arrows
21,769,568
Factor Arrows
2884,784
Factor Arrows
2442,392
Factor Arrows
2221,196
Factor Arrows
2110,598
Factor Arrows
255,299
Factor Arrows
318,433

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, 18433

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 3 x 18,433 = 28,313,088

This can also be written as 29 x 31 x 18,4331 = 28,313,088

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


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