Q: What are the prime factors of the number 545,856?

 A: 2, 3, 2843

Why are those the prime factors of the number 545,856?

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 545,856

545,856
Factor Arrows
2272,928
Factor Arrows
2136,464
Factor Arrows
268,232
Factor Arrows
234,116
Factor Arrows
217,058
Factor Arrows
28,529
Factor Arrows
32,843

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, 2843

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 3 x 2,843 = 545,856

This can also be written as 26 x 31 x 2,8431 = 545,856

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


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