Q: What are the prime factors of the number 547,660?

 A: 2, 5, 139, 197

Why are those the prime factors of the number 547,660?

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 547,660

547,660
Factor Arrows
2273,830
Factor Arrows
2136,915
Factor Arrows
527,383
Factor Arrows
139197

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, 139, 197

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 139 x 197 = 547,660

This can also be written as 22 x 51 x 1391 x 1971 = 547,660

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


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