Q: What are the prime factors of the number 504,313,040?

 A: 2, 5, 7, 11, 81869

Why are those the prime factors of the number 504,313,040?

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 504,313,040

504,313,040
Factor Arrows
2252,156,520
Factor Arrows
2126,078,260
Factor Arrows
263,039,130
Factor Arrows
231,519,565
Factor Arrows
56,303,913
Factor Arrows
7900,559
Factor Arrows
1181,869

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, 5, 7, 11, 81869

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 7 x 11 x 81,869 = 504,313,040

This can also be written as 24 x 51 x 71 x 111 x 81,8691 = 504,313,040

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


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