Q: What are the prime factors of the number 485,340?

 A: 2, 3, 5, 8089

Why are those the prime factors of the number 485,340?

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 485,340

485,340
Factor Arrows
2242,670
Factor Arrows
2121,335
Factor Arrows
340,445
Factor Arrows
58,089

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, 8089

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 5 x 8,089 = 485,340

This can also be written as 22 x 31 x 51 x 8,0891 = 485,340

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


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