Q: What are the prime factors of the number 1,463,120?

 A: 2, 5, 18289

Why are those the prime factors of the number 1,463,120?

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 1,463,120

1,463,120
Factor Arrows
2731,560
Factor Arrows
2365,780
Factor Arrows
2182,890
Factor Arrows
291,445
Factor Arrows
518,289

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, 18289

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 18,289 = 1,463,120

This can also be written as 24 x 51 x 18,2891 = 1,463,120

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


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