Q: What are the prime factors of the number 5,430,305?

 A: 5, 37, 149, 197

Why are those the prime factors of the number 5,430,305?

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 5,430,305

5,430,305
Factor Arrows
51,086,061
Factor Arrows
3729,353
Factor Arrows
149197

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:

5, 37, 149, 197

We can check our work by multiplying all of the prime factors together: 5 x 37 x 149 x 197 = 5,430,305

This can also be written as 51 x 371 x 1491 x 1971 = 5,430,305

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


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