Q: What are the prime factors of the number 30,243,424?

 A: 2, 149, 6343

Why are those the prime factors of the number 30,243,424?

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 30,243,424

30,243,424
Factor Arrows
215,121,712
Factor Arrows
27,560,856
Factor Arrows
23,780,428
Factor Arrows
21,890,214
Factor Arrows
2945,107
Factor Arrows
1496,343

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, 6343

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 6,343 = 30,243,424

This can also be written as 25 x 1491 x 6,3431 = 30,243,424

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


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