Q: What are the prime factors of the number 10,400,130?

 A: 2, 3, 5, 13, 2963

Why are those the prime factors of the number 10,400,130?

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 10,400,130

10,400,130
Factor Arrows
25,200,065
Factor Arrows
31,733,355
Factor Arrows
3577,785
Factor Arrows
3192,595
Factor Arrows
538,519
Factor Arrows
132,963

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, 13, 2963

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 5 x 13 x 2,963 = 10,400,130

This can also be written as 21 x 33 x 51 x 131 x 2,9631 = 10,400,130

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


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