Q: What are the prime factors of the number 23,368,000?

 A: 2, 5, 23, 127

Why are those the prime factors of the number 23,368,000?

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 23,368,000

23,368,000
Factor Arrows
211,684,000
Factor Arrows
25,842,000
Factor Arrows
22,921,000
Factor Arrows
21,460,500
Factor Arrows
2730,250
Factor Arrows
2365,125
Factor Arrows
573,025
Factor Arrows
514,605
Factor Arrows
52,921
Factor Arrows
23127

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, 23, 127

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 5 x 5 x 5 x 23 x 127 = 23,368,000

This can also be written as 26 x 53 x 231 x 1271 = 23,368,000

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


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