Q: What are the prime factors of the number 30,014,240?

 A: 2, 5, 109, 1721

Why are those the prime factors of the number 30,014,240?

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 30,014,240

30,014,240
Factor Arrows
215,007,120
Factor Arrows
27,503,560
Factor Arrows
23,751,780
Factor Arrows
21,875,890
Factor Arrows
2937,945
Factor Arrows
5187,589
Factor Arrows
1091,721

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, 5, 109, 1721

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 5 x 109 x 1,721 = 30,014,240

This can also be written as 25 x 51 x 1091 x 1,7211 = 30,014,240

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


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