Q: What are the prime factors of the number 2,400,030?

 A: 2, 3, 5, 2963

Why are those the prime factors of the number 2,400,030?

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 2,400,030

2,400,030
Factor Arrows
21,200,015
Factor Arrows
3400,005
Factor Arrows
3133,335
Factor Arrows
344,445
Factor Arrows
314,815
Factor Arrows
52,963

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, 2963

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 5 x 2,963 = 2,400,030

This can also be written as 21 x 34 x 51 x 2,9631 = 2,400,030

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


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