Q: What are the prime factors of the number 523,225,040?

 A: 2, 5, 13, 19, 26479

Why are those the prime factors of the number 523,225,040?

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 523,225,040

523,225,040
Factor Arrows
2261,612,520
Factor Arrows
2130,806,260
Factor Arrows
265,403,130
Factor Arrows
232,701,565
Factor Arrows
56,540,313
Factor Arrows
13503,101
Factor Arrows
1926,479

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, 13, 19, 26479

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 13 x 19 x 26,479 = 523,225,040

This can also be written as 24 x 51 x 131 x 191 x 26,4791 = 523,225,040

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


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