Q: What are the prime factors of the number 200,643,352?

 A: 2, 7, 13, 23, 521

Why are those the prime factors of the number 200,643,352?

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 200,643,352

200,643,352
Factor Arrows
2100,321,676
Factor Arrows
250,160,838
Factor Arrows
225,080,419
Factor Arrows
73,582,917
Factor Arrows
13275,609
Factor Arrows
2311,983
Factor Arrows
23521

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, 7, 13, 23, 521

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 7 x 13 x 23 x 23 x 521 = 200,643,352

This can also be written as 23 x 71 x 131 x 232 x 5211 = 200,643,352

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


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