Q: What are the prime factors of the number 43,718,697?

 A: 3, 11, 139, 353

Why are those the prime factors of the number 43,718,697?

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 43,718,697

43,718,697
Factor Arrows
314,572,899
Factor Arrows
34,857,633
Factor Arrows
31,619,211
Factor Arrows
3539,737
Factor Arrows
1149,067
Factor Arrows
139353

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, 11, 139, 353

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 11 x 139 x 353 = 43,718,697

This can also be written as 34 x 111 x 1391 x 3531 = 43,718,697

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


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