Q: What are the prime factors of the number 2,455,960?

 A: 2, 5, 13, 4723

Why are those the prime factors of the number 2,455,960?

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 2,455,960

2,455,960
Factor Arrows
21,227,980
Factor Arrows
2613,990
Factor Arrows
2306,995
Factor Arrows
561,399
Factor Arrows
134,723

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, 13, 4723

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 13 x 4,723 = 2,455,960

This can also be written as 23 x 51 x 131 x 4,7231 = 2,455,960

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


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