Q: What are the prime factors of the number 2,140,032?

 A: 2, 3, 5573

Why are those the prime factors of the number 2,140,032?

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 2,140,032

2,140,032
Factor Arrows
21,070,016
Factor Arrows
2535,008
Factor Arrows
2267,504
Factor Arrows
2133,752
Factor Arrows
266,876
Factor Arrows
233,438
Factor Arrows
216,719
Factor Arrows
35,573

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, 5573

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 2 x 3 x 5,573 = 2,140,032

This can also be written as 27 x 31 x 5,5731 = 2,140,032

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


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