Q: What are the prime factors of the number 254,140,447?

 A: 11, 19, 67, 18149

Why are those the prime factors of the number 254,140,447?

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 254,140,447

254,140,447
Factor Arrows
1123,103,677
Factor Arrows
191,215,983
Factor Arrows
6718,149

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:

11, 19, 67, 18149

We can check our work by multiplying all of the prime factors together: 11 x 19 x 67 x 18,149 = 254,140,447

This can also be written as 111 x 191 x 671 x 18,1491 = 254,140,447

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


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