Q: What are the prime factors of the number 28,927,392?

 A: 2, 3, 13, 1783

Why are those the prime factors of the number 28,927,392?

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 28,927,392

28,927,392
Factor Arrows
214,463,696
Factor Arrows
27,231,848
Factor Arrows
23,615,924
Factor Arrows
21,807,962
Factor Arrows
2903,981
Factor Arrows
3301,327
Factor Arrows
1323,179
Factor Arrows
131,783

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, 13, 1783

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 13 x 13 x 1,783 = 28,927,392

This can also be written as 25 x 31 x 132 x 1,7831 = 28,927,392

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


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