Q: What are the prime factors of the number 302,571,500?

 A: 2, 5, 7, 11, 29, 271

Why are those the prime factors of the number 302,571,500?

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 302,571,500

302,571,500
Factor Arrows
2151,285,750
Factor Arrows
275,642,875
Factor Arrows
515,128,575
Factor Arrows
53,025,715
Factor Arrows
5605,143
Factor Arrows
786,449
Factor Arrows
117,859
Factor Arrows
29271

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, 11, 29, 271

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 5 x 5 x 7 x 11 x 29 x 271 = 302,571,500

This can also be written as 22 x 53 x 71 x 111 x 291 x 2711 = 302,571,500

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


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