Q: What are the prime factors of the number 310,750?

 A: 2, 5, 11, 113

Why are those the prime factors of the number 310,750?

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 310,750

310,750
Factor Arrows
2155,375
Factor Arrows
531,075
Factor Arrows
56,215
Factor Arrows
51,243
Factor Arrows
11113

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, 113

We can check our work by multiplying all of the prime factors together: 2 x 5 x 5 x 5 x 11 x 113 = 310,750

This can also be written as 21 x 53 x 111 x 1131 = 310,750

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


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