Q: What are the prime factors of the number 554,201,440?

 A: 2, 5, 13, 47, 5669

Why are those the prime factors of the number 554,201,440?

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 554,201,440

554,201,440
Factor Arrows
2277,100,720
Factor Arrows
2138,550,360
Factor Arrows
269,275,180
Factor Arrows
234,637,590
Factor Arrows
217,318,795
Factor Arrows
53,463,759
Factor Arrows
13266,443
Factor Arrows
475,669

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, 13, 47, 5669

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 5 x 13 x 47 x 5,669 = 554,201,440

This can also be written as 25 x 51 x 131 x 471 x 5,6691 = 554,201,440

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


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