Q: What are the prime factors of the number 300,431,300?

 A: 2, 5, 13, 29, 613

Why are those the prime factors of the number 300,431,300?

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 300,431,300

300,431,300
Factor Arrows
2150,215,650
Factor Arrows
275,107,825
Factor Arrows
515,021,565
Factor Arrows
53,004,313
Factor Arrows
13231,101
Factor Arrows
1317,777
Factor Arrows
29613

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, 13, 29, 613

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 5 x 13 x 13 x 29 x 613 = 300,431,300

This can also be written as 22 x 52 x 132 x 291 x 6131 = 300,431,300

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


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