Q: What are the prime factors of the number 353,160,500?

 A: 2, 5, 7, 11, 9173

Why are those the prime factors of the number 353,160,500?

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 353,160,500

353,160,500
Factor Arrows
2176,580,250
Factor Arrows
288,290,125
Factor Arrows
517,658,025
Factor Arrows
53,531,605
Factor Arrows
5706,321
Factor Arrows
7100,903
Factor Arrows
119,173

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, 7, 11, 9173

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 5 x 5 x 7 x 11 x 9,173 = 353,160,500

This can also be written as 22 x 53 x 71 x 111 x 9,1731 = 353,160,500

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


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