Q: What are the prime factors of the number 230,438,400?

 A: 2, 3, 5, 17, 353

Why are those the prime factors of the number 230,438,400?

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 230,438,400

230,438,400
Factor Arrows
2115,219,200
Factor Arrows
257,609,600
Factor Arrows
228,804,800
Factor Arrows
214,402,400
Factor Arrows
27,201,200
Factor Arrows
23,600,600
Factor Arrows
21,800,300
Factor Arrows
2900,150
Factor Arrows
2450,075
Factor Arrows
3150,025
Factor Arrows
530,005
Factor Arrows
56,001
Factor Arrows
17353

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, 5, 17, 353

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 3 x 5 x 5 x 17 x 353 = 230,438,400

This can also be written as 29 x 31 x 52 x 171 x 3531 = 230,438,400

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 230,438,400:


Ask a Question