Q: What are the prime factors of the number 303,042,320?

 A: 2, 5, 7, 127, 4261

Why are those the prime factors of the number 303,042,320?

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 303,042,320

303,042,320
Factor Arrows
2151,521,160
Factor Arrows
275,760,580
Factor Arrows
237,880,290
Factor Arrows
218,940,145
Factor Arrows
53,788,029
Factor Arrows
7541,147
Factor Arrows
1274,261

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, 7, 127, 4261

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 7 x 127 x 4,261 = 303,042,320

This can also be written as 24 x 51 x 71 x 1271 x 4,2611 = 303,042,320

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 303,042,320:


Ask a Question