Q: What are the prime factors of the number 32,230,000?

 A: 2, 5, 11, 293

Why are those the prime factors of the number 32,230,000?

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 32,230,000

32,230,000
Factor Arrows
216,115,000
Factor Arrows
28,057,500
Factor Arrows
24,028,750
Factor Arrows
22,014,375
Factor Arrows
5402,875
Factor Arrows
580,575
Factor Arrows
516,115
Factor Arrows
53,223
Factor Arrows
11293

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, 5, 11, 293

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 5 x 5 x 5 x 11 x 293 = 32,230,000

This can also be written as 24 x 54 x 111 x 2931 = 32,230,000

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


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