Q: What are the prime factors of the number 13,793,454?

 A: 2, 3, 43, 71, 251

Why are those the prime factors of the number 13,793,454?

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 13,793,454

13,793,454
Factor Arrows
26,896,727
Factor Arrows
32,298,909
Factor Arrows
3766,303
Factor Arrows
4317,821
Factor Arrows
71251

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, 43, 71, 251

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 43 x 71 x 251 = 13,793,454

This can also be written as 21 x 32 x 431 x 711 x 2511 = 13,793,454

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


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