Q: What are the prime factors of the number 518,238,526?

 A: 2, 13, 29, 103, 6673

Why are those the prime factors of the number 518,238,526?

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 518,238,526

518,238,526
Factor Arrows
2259,119,263
Factor Arrows
1319,932,251
Factor Arrows
29687,319
Factor Arrows
1036,673

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, 13, 29, 103, 6673

We can check our work by multiplying all of the prime factors together: 2 x 13 x 29 x 103 x 6,673 = 518,238,526

This can also be written as 21 x 131 x 291 x 1031 x 6,6731 = 518,238,526

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


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