Q: What are the prime factors of the number 166,514,400?

 A: 2, 3, 5, 13, 593

Why are those the prime factors of the number 166,514,400?

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 166,514,400

166,514,400
Factor Arrows
283,257,200
Factor Arrows
241,628,600
Factor Arrows
220,814,300
Factor Arrows
210,407,150
Factor Arrows
25,203,575
Factor Arrows
31,734,525
Factor Arrows
3578,175
Factor Arrows
3192,725
Factor Arrows
538,545
Factor Arrows
57,709
Factor Arrows
13593

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, 13, 593

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 3 x 3 x 5 x 5 x 13 x 593 = 166,514,400

This can also be written as 25 x 33 x 52 x 131 x 5931 = 166,514,400

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


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