Q: What are the prime factors of the number 302,241,225?

 A: 3, 5, 11, 13, 28181

Why are those the prime factors of the number 302,241,225?

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 302,241,225

302,241,225
Factor Arrows
3100,747,075
Factor Arrows
520,149,415
Factor Arrows
54,029,883
Factor Arrows
11366,353
Factor Arrows
1328,181

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:

3, 5, 11, 13, 28181

We can check our work by multiplying all of the prime factors together: 3 x 5 x 5 x 11 x 13 x 28,181 = 302,241,225

This can also be written as 31 x 52 x 111 x 131 x 28,1811 = 302,241,225

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


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