Q: What are the prime factors of the number 556,533,248?

 A: 2, 263, 4133

Why are those the prime factors of the number 556,533,248?

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 556,533,248

556,533,248
Factor Arrows
2278,266,624
Factor Arrows
2139,133,312
Factor Arrows
269,566,656
Factor Arrows
234,783,328
Factor Arrows
217,391,664
Factor Arrows
28,695,832
Factor Arrows
24,347,916
Factor Arrows
22,173,958
Factor Arrows
21,086,979
Factor Arrows
2634,133

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, 263, 4133

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 2 x 263 x 4,133 = 556,533,248

This can also be written as 29 x 2631 x 4,1331 = 556,533,248

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


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