Q: What are the prime factors of the number 3,073,788?

 A: 2, 3, 53, 179

Why are those the prime factors of the number 3,073,788?

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 3,073,788

3,073,788
Factor Arrows
21,536,894
Factor Arrows
2768,447
Factor Arrows
3256,149
Factor Arrows
385,383
Factor Arrows
328,461
Factor Arrows
39,487
Factor Arrows
53179

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, 53, 179

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 3 x 53 x 179 = 3,073,788

This can also be written as 22 x 34 x 531 x 1791 = 3,073,788

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


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