Q: What are the prime factors of the number 32,214,402?

 A: 2, 3, 11, 193, 281

Why are those the prime factors of the number 32,214,402?

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 32,214,402

32,214,402
Factor Arrows
216,107,201
Factor Arrows
35,369,067
Factor Arrows
31,789,689
Factor Arrows
3596,563
Factor Arrows
1154,233
Factor Arrows
193281

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, 193, 281

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 11 x 193 x 281 = 32,214,402

This can also be written as 21 x 33 x 111 x 1931 x 2811 = 32,214,402

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


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