Q: What are the prime factors of the number 30,262,880?

 A: 2, 5, 73, 2591

Why are those the prime factors of the number 30,262,880?

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 30,262,880

30,262,880
Factor Arrows
215,131,440
Factor Arrows
27,565,720
Factor Arrows
23,782,860
Factor Arrows
21,891,430
Factor Arrows
2945,715
Factor Arrows
5189,143
Factor Arrows
732,591

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, 5, 73, 2591

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 5 x 73 x 2,591 = 30,262,880

This can also be written as 25 x 51 x 731 x 2,5911 = 30,262,880

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


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