Q: What are the prime factors of the number 2,892,384?

 A: 2, 3, 11, 83

Why are those the prime factors of the number 2,892,384?

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 2,892,384

2,892,384
Factor Arrows
21,446,192
Factor Arrows
2723,096
Factor Arrows
2361,548
Factor Arrows
2180,774
Factor Arrows
290,387
Factor Arrows
330,129
Factor Arrows
310,043
Factor Arrows
11913
Factor Arrows
1183

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, 11, 83

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 11 x 11 x 83 = 2,892,384

This can also be written as 25 x 32 x 112 x 831 = 2,892,384

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


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