Q: What are the prime factors of the number 103,023,140?

 A: 2, 5, 11, 569, 823

Why are those the prime factors of the number 103,023,140?

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 103,023,140

103,023,140
Factor Arrows
251,511,570
Factor Arrows
225,755,785
Factor Arrows
55,151,157
Factor Arrows
11468,287
Factor Arrows
569823

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, 11, 569, 823

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 11 x 569 x 823 = 103,023,140

This can also be written as 22 x 51 x 111 x 5691 x 8231 = 103,023,140

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


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