Q: What are the prime factors of the number 553,152,256?

 A: 2, 17, 127103

Why are those the prime factors of the number 553,152,256?

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 553,152,256

553,152,256
Factor Arrows
2276,576,128
Factor Arrows
2138,288,064
Factor Arrows
269,144,032
Factor Arrows
234,572,016
Factor Arrows
217,286,008
Factor Arrows
28,643,004
Factor Arrows
24,321,502
Factor Arrows
22,160,751
Factor Arrows
17127,103

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, 17, 127103

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 2 x 2 x 17 x 127,103 = 553,152,256

This can also be written as 28 x 171 x 127,1031 = 553,152,256

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


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