Q: What are the prime factors of the number 313,230,432?

 A: 2, 3, 131, 24907

Why are those the prime factors of the number 313,230,432?

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 313,230,432

313,230,432
Factor Arrows
2156,615,216
Factor Arrows
278,307,608
Factor Arrows
239,153,804
Factor Arrows
219,576,902
Factor Arrows
29,788,451
Factor Arrows
33,262,817
Factor Arrows
13124,907

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, 131, 24907

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 131 x 24,907 = 313,230,432

This can also be written as 25 x 31 x 1311 x 24,9071 = 313,230,432

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


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