Q: What are the prime factors of the number 305,352,534?

 A: 2, 3, 19, 107, 25033

Why are those the prime factors of the number 305,352,534?

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 305,352,534

305,352,534
Factor Arrows
2152,676,267
Factor Arrows
350,892,089
Factor Arrows
192,678,531
Factor Arrows
10725,033

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, 19, 107, 25033

We can check our work by multiplying all of the prime factors together: 2 x 3 x 19 x 107 x 25,033 = 305,352,534

This can also be written as 21 x 31 x 191 x 1071 x 25,0331 = 305,352,534

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


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