Q: What are the prime factors of the number 310,416?

 A: 2, 3, 29, 223

Why are those the prime factors of the number 310,416?

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 310,416

310,416
Factor Arrows
2155,208
Factor Arrows
277,604
Factor Arrows
238,802
Factor Arrows
219,401
Factor Arrows
36,467
Factor Arrows
29223

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, 29, 223

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 29 x 223 = 310,416

This can also be written as 24 x 31 x 291 x 2231 = 310,416

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


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