Q: What are the prime factors of the number 312,310,410?

 A: 2, 3, 5, 19, 347, 1579

Why are those the prime factors of the number 312,310,410?

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 312,310,410

312,310,410
Factor Arrows
2156,155,205
Factor Arrows
352,051,735
Factor Arrows
510,410,347
Factor Arrows
19547,913
Factor Arrows
3471,579

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, 5, 19, 347, 1579

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 19 x 347 x 1,579 = 312,310,410

This can also be written as 21 x 31 x 51 x 191 x 3471 x 1,5791 = 312,310,410

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


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