Q: What are the prime factors of the number 310,320,432?

 A: 2, 3, 2155003

Why are those the prime factors of the number 310,320,432?

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 310,320,432

310,320,432
Factor Arrows
2155,160,216
Factor Arrows
277,580,108
Factor Arrows
238,790,054
Factor Arrows
219,395,027
Factor Arrows
36,465,009
Factor Arrows
32,155,003

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, 2155003

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 2,155,003 = 310,320,432

This can also be written as 24 x 32 x 2,155,0031 = 310,320,432

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


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