Q: What are the prime factors of the number 303,442,000?

 A: 2, 5, 173, 877

Why are those the prime factors of the number 303,442,000?

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 303,442,000

303,442,000
Factor Arrows
2151,721,000
Factor Arrows
275,860,500
Factor Arrows
237,930,250
Factor Arrows
218,965,125
Factor Arrows
53,793,025
Factor Arrows
5758,605
Factor Arrows
5151,721
Factor Arrows
173877

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, 173, 877

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 5 x 5 x 173 x 877 = 303,442,000

This can also be written as 24 x 53 x 1731 x 8771 = 303,442,000

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


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