Q: What are the prime factors of the number 2,092,800?

 A: 2, 3, 5, 109

Why are those the prime factors of the number 2,092,800?

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 2,092,800

2,092,800
Factor Arrows
21,046,400
Factor Arrows
2523,200
Factor Arrows
2261,600
Factor Arrows
2130,800
Factor Arrows
265,400
Factor Arrows
232,700
Factor Arrows
216,350
Factor Arrows
28,175
Factor Arrows
32,725
Factor Arrows
5545
Factor Arrows
5109

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, 109

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 2 x 3 x 5 x 5 x 109 = 2,092,800

This can also be written as 28 x 31 x 52 x 1091 = 2,092,800

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


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