Q: What are the prime factors of the number 1,995,200?

 A: 2, 5, 29, 43

Why are those the prime factors of the number 1,995,200?

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 1,995,200

1,995,200
Factor Arrows
2997,600
Factor Arrows
2498,800
Factor Arrows
2249,400
Factor Arrows
2124,700
Factor Arrows
262,350
Factor Arrows
231,175
Factor Arrows
56,235
Factor Arrows
51,247
Factor Arrows
2943

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, 29, 43

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 5 x 5 x 29 x 43 = 1,995,200

This can also be written as 26 x 52 x 291 x 431 = 1,995,200

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


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