Q: What are the prime factors of the number 18,695,411?

 A: 7, 19, 43, 467

Why are those the prime factors of the number 18,695,411?

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 18,695,411

18,695,411
Factor Arrows
72,670,773
Factor Arrows
7381,539
Factor Arrows
1920,081
Factor Arrows
43467

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:

7, 19, 43, 467

We can check our work by multiplying all of the prime factors together: 7 x 7 x 19 x 43 x 467 = 18,695,411

This can also be written as 72 x 191 x 431 x 4671 = 18,695,411

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


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