Q: What are the prime factors of the number 2,837,760?

 A: 2, 3, 5, 739

Why are those the prime factors of the number 2,837,760?

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 2,837,760

2,837,760
Factor Arrows
21,418,880
Factor Arrows
2709,440
Factor Arrows
2354,720
Factor Arrows
2177,360
Factor Arrows
288,680
Factor Arrows
244,340
Factor Arrows
222,170
Factor Arrows
211,085
Factor Arrows
33,695
Factor Arrows
5739

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, 739

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 739 = 2,837,760

This can also be written as 28 x 31 x 51 x 7391 = 2,837,760

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


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