Q: What are the prime factors of the number 546,364?

 A: 2, 7, 13, 19, 79

Why are those the prime factors of the number 546,364?

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 546,364

546,364
Factor Arrows
2273,182
Factor Arrows
2136,591
Factor Arrows
719,513
Factor Arrows
131,501
Factor Arrows
1979

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, 7, 13, 19, 79

We can check our work by multiplying all of the prime factors together: 2 x 2 x 7 x 13 x 19 x 79 = 546,364

This can also be written as 22 x 71 x 131 x 191 x 791 = 546,364

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


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