Q: What are the prime factors of the number 61,533,344?

 A: 2, 43, 197, 227

Why are those the prime factors of the number 61,533,344?

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 61,533,344

61,533,344
Factor Arrows
230,766,672
Factor Arrows
215,383,336
Factor Arrows
27,691,668
Factor Arrows
23,845,834
Factor Arrows
21,922,917
Factor Arrows
4344,719
Factor Arrows
197227

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, 43, 197, 227

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 43 x 197 x 227 = 61,533,344

This can also be written as 25 x 431 x 1971 x 2271 = 61,533,344

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


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