Q: What are the prime factors of the number 310,300?

 A: 2, 5, 29, 107

Why are those the prime factors of the number 310,300?

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 310,300

310,300
Factor Arrows
2155,150
Factor Arrows
277,575
Factor Arrows
515,515
Factor Arrows
53,103
Factor Arrows
29107

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, 29, 107

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 5 x 29 x 107 = 310,300

This can also be written as 22 x 52 x 291 x 1071 = 310,300

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


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