Q: What are the prime factors of the number 252,216,608?

 A: 2, 7, 281, 4007

Why are those the prime factors of the number 252,216,608?

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 252,216,608

252,216,608
Factor Arrows
2126,108,304
Factor Arrows
263,054,152
Factor Arrows
231,527,076
Factor Arrows
215,763,538
Factor Arrows
27,881,769
Factor Arrows
71,125,967
Factor Arrows
2814,007

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, 7, 281, 4007

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 7 x 281 x 4,007 = 252,216,608

This can also be written as 25 x 71 x 2811 x 4,0071 = 252,216,608

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


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