Q: What are the prime factors of the number 103,030,130?

 A: 2, 5, 7, 41, 35899

Why are those the prime factors of the number 103,030,130?

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 103,030,130

103,030,130
Factor Arrows
251,515,065
Factor Arrows
510,303,013
Factor Arrows
71,471,859
Factor Arrows
4135,899

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, 7, 41, 35899

We can check our work by multiplying all of the prime factors together: 2 x 5 x 7 x 41 x 35,899 = 103,030,130

This can also be written as 21 x 51 x 71 x 411 x 35,8991 = 103,030,130

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


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