Q: What are the prime factors of the number 543,545,148?

 A: 2, 3, 17, 547, 4871

Why are those the prime factors of the number 543,545,148?

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 543,545,148

543,545,148
Factor Arrows
2271,772,574
Factor Arrows
2135,886,287
Factor Arrows
345,295,429
Factor Arrows
172,664,437
Factor Arrows
5474,871

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, 17, 547, 4871

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 17 x 547 x 4,871 = 543,545,148

This can also be written as 22 x 31 x 171 x 5471 x 4,8711 = 543,545,148

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


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