Q: What are the prime factors of the number 312,343,413?

 A: 3, 19, 71, 113, 683

Why are those the prime factors of the number 312,343,413?

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 312,343,413

312,343,413
Factor Arrows
3104,114,471
Factor Arrows
195,479,709
Factor Arrows
7177,179
Factor Arrows
113683

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:

3, 19, 71, 113, 683

We can check our work by multiplying all of the prime factors together: 3 x 19 x 71 x 113 x 683 = 312,343,413

This can also be written as 31 x 191 x 711 x 1131 x 6831 = 312,343,413

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


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