Q: What are the prime factors of the number 302,771,328?

 A: 2, 3, 788467

Why are those the prime factors of the number 302,771,328?

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 302,771,328

302,771,328
Factor Arrows
2151,385,664
Factor Arrows
275,692,832
Factor Arrows
237,846,416
Factor Arrows
218,923,208
Factor Arrows
29,461,604
Factor Arrows
24,730,802
Factor Arrows
22,365,401
Factor Arrows
3788,467

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, 788467

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 3 x 788,467 = 302,771,328

This can also be written as 27 x 31 x 788,4671 = 302,771,328

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


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