Q: What are the prime factors of the number 310,405,432?

 A: 2, 19, 37, 97, 569

Why are those the prime factors of the number 310,405,432?

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 310,405,432

310,405,432
Factor Arrows
2155,202,716
Factor Arrows
277,601,358
Factor Arrows
238,800,679
Factor Arrows
192,042,141
Factor Arrows
3755,193
Factor Arrows
97569

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, 19, 37, 97, 569

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 19 x 37 x 97 x 569 = 310,405,432

This can also be written as 23 x 191 x 371 x 971 x 5691 = 310,405,432

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


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