Q: What are the prime factors of the number 320,200,350?

 A: 2, 3, 5, 19, 283, 397

Why are those the prime factors of the number 320,200,350?

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 320,200,350

320,200,350
Factor Arrows
2160,100,175
Factor Arrows
353,366,725
Factor Arrows
510,673,345
Factor Arrows
52,134,669
Factor Arrows
19112,351
Factor Arrows
283397

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, 3, 5, 19, 283, 397

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 5 x 19 x 283 x 397 = 320,200,350

This can also be written as 21 x 31 x 52 x 191 x 2831 x 3971 = 320,200,350

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


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