Q: What are the prime factors of the number 28,973,826?

 A: 2, 3, 7, 227, 1013

Why are those the prime factors of the number 28,973,826?

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 28,973,826

28,973,826
Factor Arrows
214,486,913
Factor Arrows
34,828,971
Factor Arrows
31,609,657
Factor Arrows
7229,951
Factor Arrows
2271,013

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, 7, 227, 1013

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 7 x 227 x 1,013 = 28,973,826

This can also be written as 21 x 32 x 71 x 2271 x 1,0131 = 28,973,826

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


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