Q: What are the prime factors of the number 2,736,045?

 A: 3, 5, 13, 1559

Why are those the prime factors of the number 2,736,045?

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 2,736,045

2,736,045
Factor Arrows
3912,015
Factor Arrows
3304,005
Factor Arrows
3101,335
Factor Arrows
520,267
Factor Arrows
131,559

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, 1559

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 5 x 13 x 1,559 = 2,736,045

This can also be written as 33 x 51 x 131 x 1,5591 = 2,736,045

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


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