Q: What are the prime factors of the number 30,005,456?

 A: 2, 13, 181, 797

Why are those the prime factors of the number 30,005,456?

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 30,005,456

30,005,456
Factor Arrows
215,002,728
Factor Arrows
27,501,364
Factor Arrows
23,750,682
Factor Arrows
21,875,341
Factor Arrows
13144,257
Factor Arrows
181797

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, 13, 181, 797

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 13 x 181 x 797 = 30,005,456

This can also be written as 24 x 131 x 1811 x 7971 = 30,005,456

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


More Examples

Here are some more numbers to try:

Try the factor calculator

Explore more about the number 30,005,456:


Ask a Question