Q: What are the prime factors of the number 302,641,350?

 A: 2, 3, 5, 11, 149, 1231

Why are those the prime factors of the number 302,641,350?

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 302,641,350

302,641,350
Factor Arrows
2151,320,675
Factor Arrows
350,440,225
Factor Arrows
510,088,045
Factor Arrows
52,017,609
Factor Arrows
11183,419
Factor Arrows
1491,231

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, 5, 11, 149, 1231

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 5 x 11 x 149 x 1,231 = 302,641,350

This can also be written as 21 x 31 x 52 x 111 x 1491 x 1,2311 = 302,641,350

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


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