Q: What are the prime factors of the number 543,153,644?

 A: 2, 11, 29, 151, 2819

Why are those the prime factors of the number 543,153,644?

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 543,153,644

543,153,644
Factor Arrows
2271,576,822
Factor Arrows
2135,788,411
Factor Arrows
1112,344,401
Factor Arrows
29425,669
Factor Arrows
1512,819

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, 11, 29, 151, 2819

We can check our work by multiplying all of the prime factors together: 2 x 2 x 11 x 29 x 151 x 2,819 = 543,153,644

This can also be written as 22 x 111 x 291 x 1511 x 2,8191 = 543,153,644

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


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