Q: What are the prime factors of the number 304,074,432?

 A: 2, 3, 149, 1181

Why are those the prime factors of the number 304,074,432?

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 304,074,432

304,074,432
Factor Arrows
2152,037,216
Factor Arrows
276,018,608
Factor Arrows
238,009,304
Factor Arrows
219,004,652
Factor Arrows
29,502,326
Factor Arrows
24,751,163
Factor Arrows
31,583,721
Factor Arrows
3527,907
Factor Arrows
3175,969
Factor Arrows
1491,181

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:

2, 3, 149, 1181

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 3 x 3 x 3 x 149 x 1,181 = 304,074,432

This can also be written as 26 x 33 x 1491 x 1,1811 = 304,074,432

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


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