Q: What are the prime factors of the number 330,140,529?

 A: 3, 37, 73, 503

Why are those the prime factors of the number 330,140,529?

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 330,140,529

330,140,529
Factor Arrows
3110,046,843
Factor Arrows
336,682,281
Factor Arrows
312,227,427
Factor Arrows
34,075,809
Factor Arrows
31,358,603
Factor Arrows
3736,719
Factor Arrows
73503

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, 37, 73, 503

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 37 x 73 x 503 = 330,140,529

This can also be written as 35 x 371 x 731 x 5031 = 330,140,529

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


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