Q: What are the prime factors of the number 206,520,256?

 A: 2, 47, 71, 967

Why are those the prime factors of the number 206,520,256?

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 206,520,256

206,520,256
Factor Arrows
2103,260,128
Factor Arrows
251,630,064
Factor Arrows
225,815,032
Factor Arrows
212,907,516
Factor Arrows
26,453,758
Factor Arrows
23,226,879
Factor Arrows
4768,657
Factor Arrows
71967

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, 47, 71, 967

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 47 x 71 x 967 = 206,520,256

This can also be written as 26 x 471 x 711 x 9671 = 206,520,256

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


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