Q: What are the prime factors of the number 280,345,600?

 A: 2, 5, 47, 233

Why are those the prime factors of the number 280,345,600?

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 280,345,600

280,345,600
Factor Arrows
2140,172,800
Factor Arrows
270,086,400
Factor Arrows
235,043,200
Factor Arrows
217,521,600
Factor Arrows
28,760,800
Factor Arrows
24,380,400
Factor Arrows
22,190,200
Factor Arrows
21,095,100
Factor Arrows
2547,550
Factor Arrows
2273,775
Factor Arrows
554,755
Factor Arrows
510,951
Factor Arrows
47233

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, 47, 233

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 2 x 5 x 5 x 47 x 233 = 280,345,600

This can also be written as 210 x 52 x 471 x 2331 = 280,345,600

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 280,345,600:


Ask a Question