Q: What are the prime factors of the number 462,640?

 A: 2, 5, 5783

Why are those the prime factors of the number 462,640?

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 462,640

462,640
Factor Arrows
2231,320
Factor Arrows
2115,660
Factor Arrows
257,830
Factor Arrows
228,915
Factor Arrows
55,783

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, 5783

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 5,783 = 462,640

This can also be written as 24 x 51 x 5,7831 = 462,640

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


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