Q: What are the prime factors of the number 244,640,656?

 A: 2, 13, 19, 103, 601

Why are those the prime factors of the number 244,640,656?

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 244,640,656

244,640,656
Factor Arrows
2122,320,328
Factor Arrows
261,160,164
Factor Arrows
230,580,082
Factor Arrows
215,290,041
Factor Arrows
131,176,157
Factor Arrows
1961,903
Factor Arrows
103601

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, 13, 19, 103, 601

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 13 x 19 x 103 x 601 = 244,640,656

This can also be written as 24 x 131 x 191 x 1031 x 6011 = 244,640,656

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


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