Q: What are the prime factors of the number 500,250,500?

 A: 2, 5, 17, 229, 257

Why are those the prime factors of the number 500,250,500?

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 500,250,500

500,250,500
Factor Arrows
2250,125,250
Factor Arrows
2125,062,625
Factor Arrows
525,012,525
Factor Arrows
55,002,505
Factor Arrows
51,000,501
Factor Arrows
1758,853
Factor Arrows
229257

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, 17, 229, 257

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 5 x 5 x 17 x 229 x 257 = 500,250,500

This can also be written as 22 x 53 x 171 x 2291 x 2571 = 500,250,500

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


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