Q: What are the prime factors of the number 3,601,422?

 A: 2, 3, 11, 43, 47

Why are those the prime factors of the number 3,601,422?

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 3,601,422

3,601,422
Factor Arrows
21,800,711
Factor Arrows
3600,237
Factor Arrows
3200,079
Factor Arrows
366,693
Factor Arrows
322,231
Factor Arrows
112,021
Factor Arrows
4347

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, 11, 43, 47

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 11 x 43 x 47 = 3,601,422

This can also be written as 21 x 34 x 111 x 431 x 471 = 3,601,422

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


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