Q: What are the prime factors of the number 524,444,256?

 A: 2, 3, 7, 5309

Why are those the prime factors of the number 524,444,256?

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 524,444,256

524,444,256
Factor Arrows
2262,222,128
Factor Arrows
2131,111,064
Factor Arrows
265,555,532
Factor Arrows
232,777,766
Factor Arrows
216,388,883
Factor Arrows
35,462,961
Factor Arrows
31,820,987
Factor Arrows
7260,141
Factor Arrows
737,163
Factor Arrows
75,309

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, 7, 5309

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 3 x 7 x 7 x 7 x 5,309 = 524,444,256

This can also be written as 25 x 32 x 73 x 5,3091 = 524,444,256

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


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