Q: What are the prime factors of the number 13,970,605?

 A: 5, 11, 19, 29, 461

Why are those the prime factors of the number 13,970,605?

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 13,970,605

13,970,605
Factor Arrows
52,794,121
Factor Arrows
11254,011
Factor Arrows
1913,369
Factor Arrows
29461

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:

5, 11, 19, 29, 461

We can check our work by multiplying all of the prime factors together: 5 x 11 x 19 x 29 x 461 = 13,970,605

This can also be written as 51 x 111 x 191 x 291 x 4611 = 13,970,605

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


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