Q: What are the prime factors of the number 68,576,800?

 A: 2, 5, 23, 3727

Why are those the prime factors of the number 68,576,800?

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 68,576,800

68,576,800
Factor Arrows
234,288,400
Factor Arrows
217,144,200
Factor Arrows
28,572,100
Factor Arrows
24,286,050
Factor Arrows
22,143,025
Factor Arrows
5428,605
Factor Arrows
585,721
Factor Arrows
233,727

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, 3727

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 5 x 5 x 23 x 3,727 = 68,576,800

This can also be written as 25 x 52 x 231 x 3,7271 = 68,576,800

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


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