Q: What are the prime factors of the number 2,794,545?

 A: 3, 5, 13, 17, 281

Why are those the prime factors of the number 2,794,545?

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 2,794,545

2,794,545
Factor Arrows
3931,515
Factor Arrows
3310,505
Factor Arrows
562,101
Factor Arrows
134,777
Factor Arrows
17281

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:

3, 5, 13, 17, 281

We can check our work by multiplying all of the prime factors together: 3 x 3 x 5 x 13 x 17 x 281 = 2,794,545

This can also be written as 32 x 51 x 131 x 171 x 2811 = 2,794,545

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


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