Q: What are the prime factors of the number 32,224,140?

 A: 2, 3, 5, 13, 47, 293

Why are those the prime factors of the number 32,224,140?

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 32,224,140

32,224,140
Factor Arrows
216,112,070
Factor Arrows
28,056,035
Factor Arrows
32,685,345
Factor Arrows
3895,115
Factor Arrows
5179,023
Factor Arrows
1313,771
Factor Arrows
47293

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, 5, 13, 47, 293

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 5 x 13 x 47 x 293 = 32,224,140

This can also be written as 22 x 32 x 51 x 131 x 471 x 2931 = 32,224,140

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


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