Q: What are the prime factors of the number 2,356,800?

 A: 2, 3, 5, 491

Why are those the prime factors of the number 2,356,800?

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 2,356,800

2,356,800
Factor Arrows
21,178,400
Factor Arrows
2589,200
Factor Arrows
2294,600
Factor Arrows
2147,300
Factor Arrows
273,650
Factor Arrows
236,825
Factor Arrows
312,275
Factor Arrows
52,455
Factor Arrows
5491

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, 491

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 491 = 2,356,800

This can also be written as 26 x 31 x 52 x 4911 = 2,356,800

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


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