Q: What are the prime factors of the number 413,066,556?

 A: 2, 3, 7, 1639153

Why are those the prime factors of the number 413,066,556?

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 413,066,556

413,066,556
Factor Arrows
2206,533,278
Factor Arrows
2103,266,639
Factor Arrows
334,422,213
Factor Arrows
311,474,071
Factor Arrows
71,639,153

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, 7, 1639153

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 7 x 1,639,153 = 413,066,556

This can also be written as 22 x 32 x 71 x 1,639,1531 = 413,066,556

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


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