Q: What are the prime factors of the number 264,040?

 A: 2, 5, 7, 23, 41

Why are those the prime factors of the number 264,040?

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 264,040

264,040
Factor Arrows
2132,020
Factor Arrows
266,010
Factor Arrows
233,005
Factor Arrows
56,601
Factor Arrows
7943
Factor Arrows
2341

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, 7, 23, 41

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 7 x 23 x 41 = 264,040

This can also be written as 23 x 51 x 71 x 231 x 411 = 264,040

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


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