Q: What are the prime factors of the number 18,140,475?

 A: 3, 5, 241873

Why are those the prime factors of the number 18,140,475?

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 18,140,475

18,140,475
Factor Arrows
36,046,825
Factor Arrows
51,209,365
Factor Arrows
5241,873

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:

3, 5, 241873

We can check our work by multiplying all of the prime factors together: 3 x 5 x 5 x 241,873 = 18,140,475

This can also be written as 31 x 52 x 241,8731 = 18,140,475

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


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