Q: What are the prime factors of the number 255,633,600?

 A: 2, 3, 5, 19, 2803

Why are those the prime factors of the number 255,633,600?

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 255,633,600

255,633,600
Factor Arrows
2127,816,800
Factor Arrows
263,908,400
Factor Arrows
231,954,200
Factor Arrows
215,977,100
Factor Arrows
27,988,550
Factor Arrows
23,994,275
Factor Arrows
31,331,425
Factor Arrows
5266,285
Factor Arrows
553,257
Factor Arrows
192,803

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, 19, 2803

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 3 x 5 x 5 x 19 x 2,803 = 255,633,600

This can also be written as 26 x 31 x 52 x 191 x 2,8031 = 255,633,600

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


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