Q: What are the prime factors of the number 172,304,500?

 A: 2, 5, 23, 14983

Why are those the prime factors of the number 172,304,500?

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 172,304,500

172,304,500
Factor Arrows
286,152,250
Factor Arrows
243,076,125
Factor Arrows
58,615,225
Factor Arrows
51,723,045
Factor Arrows
5344,609
Factor Arrows
2314,983

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, 23, 14983

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 5 x 5 x 23 x 14,983 = 172,304,500

This can also be written as 22 x 53 x 231 x 14,9831 = 172,304,500

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


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