Q: What are the prime factors of the number 546,920?

 A: 2, 5, 11, 113

Why are those the prime factors of the number 546,920?

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 546,920

546,920
Factor Arrows
2273,460
Factor Arrows
2136,730
Factor Arrows
268,365
Factor Arrows
513,673
Factor Arrows
111,243
Factor Arrows
11113

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, 11, 113

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 11 x 11 x 113 = 546,920

This can also be written as 23 x 51 x 112 x 1131 = 546,920

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


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