Q: What are the prime factors of the number 63,856,600?

 A: 2, 5, 139, 2297

Why are those the prime factors of the number 63,856,600?

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 63,856,600

63,856,600
Factor Arrows
231,928,300
Factor Arrows
215,964,150
Factor Arrows
27,982,075
Factor Arrows
51,596,415
Factor Arrows
5319,283
Factor Arrows
1392,297

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, 5, 139, 2297

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 5 x 139 x 2,297 = 63,856,600

This can also be written as 23 x 52 x 1391 x 2,2971 = 63,856,600

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


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