Q: What are the prime factors of the number 51,630,144?

 A: 2, 3, 19, 14153

Why are those the prime factors of the number 51,630,144?

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 51,630,144

51,630,144
Factor Arrows
225,815,072
Factor Arrows
212,907,536
Factor Arrows
26,453,768
Factor Arrows
23,226,884
Factor Arrows
21,613,442
Factor Arrows
2806,721
Factor Arrows
3268,907
Factor Arrows
1914,153

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, 3, 19, 14153

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 3 x 19 x 14,153 = 51,630,144

This can also be written as 26 x 31 x 191 x 14,1531 = 51,630,144

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


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