Q: What are the prime factors of the number 302,210,144?

 A: 2, 149, 241, 263

Why are those the prime factors of the number 302,210,144?

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 302,210,144

302,210,144
Factor Arrows
2151,105,072
Factor Arrows
275,552,536
Factor Arrows
237,776,268
Factor Arrows
218,888,134
Factor Arrows
29,444,067
Factor Arrows
14963,383
Factor Arrows
241263

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, 149, 241, 263

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 149 x 241 x 263 = 302,210,144

This can also be written as 25 x 1491 x 2411 x 2631 = 302,210,144

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


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