Q: What are the prime factors of the number 515,506,329?

 A: 3, 13, 449, 3271

Why are those the prime factors of the number 515,506,329?

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 515,506,329

515,506,329
Factor Arrows
3171,835,443
Factor Arrows
357,278,481
Factor Arrows
319,092,827
Factor Arrows
131,468,679
Factor Arrows
4493,271

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:

3, 13, 449, 3271

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 13 x 449 x 3,271 = 515,506,329

This can also be written as 33 x 131 x 4491 x 3,2711 = 515,506,329

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


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