Q: What are the prime factors of the number 413,040,600?

 A: 2, 3, 5, 7, 223

Why are those the prime factors of the number 413,040,600?

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 413,040,600

413,040,600
Factor Arrows
2206,520,300
Factor Arrows
2103,260,150
Factor Arrows
251,630,075
Factor Arrows
317,210,025
Factor Arrows
35,736,675
Factor Arrows
31,912,225
Factor Arrows
5382,445
Factor Arrows
576,489
Factor Arrows
710,927
Factor Arrows
71,561
Factor Arrows
7223

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, 7, 223

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 3 x 5 x 5 x 7 x 7 x 7 x 223 = 413,040,600

This can also be written as 23 x 33 x 52 x 73 x 2231 = 413,040,600

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


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