Q: What are the prime factors of the number 200,310,312?

 A: 2, 3, 19, 23, 71, 269

Why are those the prime factors of the number 200,310,312?

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 200,310,312

200,310,312
Factor Arrows
2100,155,156
Factor Arrows
250,077,578
Factor Arrows
225,038,789
Factor Arrows
38,346,263
Factor Arrows
19439,277
Factor Arrows
2319,099
Factor Arrows
71269

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, 19, 23, 71, 269

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 19 x 23 x 71 x 269 = 200,310,312

This can also be written as 23 x 31 x 191 x 231 x 711 x 2691 = 200,310,312

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


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