Q: What are the prime factors of the number 452,648,020?

 A: 2, 5, 11, 19, 108289

Why are those the prime factors of the number 452,648,020?

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 452,648,020

452,648,020
Factor Arrows
2226,324,010
Factor Arrows
2113,162,005
Factor Arrows
522,632,401
Factor Arrows
112,057,491
Factor Arrows
19108,289

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, 5, 11, 19, 108289

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 11 x 19 x 108,289 = 452,648,020

This can also be written as 22 x 51 x 111 x 191 x 108,2891 = 452,648,020

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


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