Q: What are the prime factors of the number 504,790?

 A: 2, 5, 11, 13, 353

Why are those the prime factors of the number 504,790?

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 504,790

504,790
Factor Arrows
2252,395
Factor Arrows
550,479
Factor Arrows
114,589
Factor Arrows
13353

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, 11, 13, 353

We can check our work by multiplying all of the prime factors together: 2 x 5 x 11 x 13 x 353 = 504,790

This can also be written as 21 x 51 x 111 x 131 x 3531 = 504,790

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


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