Q: What are the prime factors of the number 43,134,201?

 A: 3, 11, 163

Why are those the prime factors of the number 43,134,201?

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 43,134,201

43,134,201
Factor Arrows
314,378,067
Factor Arrows
34,792,689
Factor Arrows
31,597,563
Factor Arrows
3532,521
Factor Arrows
3177,507
Factor Arrows
359,169
Factor Arrows
319,723
Factor Arrows
111,793
Factor Arrows
11163

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, 163

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 3 x 3 x 11 x 11 x 163 = 43,134,201

This can also be written as 37 x 112 x 1631 = 43,134,201

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


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