Q: What are the prime factors of the number 61,107,536?

 A: 2, 7, 337, 1619

Why are those the prime factors of the number 61,107,536?

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 61,107,536

61,107,536
Factor Arrows
230,553,768
Factor Arrows
215,276,884
Factor Arrows
27,638,442
Factor Arrows
23,819,221
Factor Arrows
7545,603
Factor Arrows
3371,619

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, 337, 1619

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 7 x 337 x 1,619 = 61,107,536

This can also be written as 24 x 71 x 3371 x 1,6191 = 61,107,536

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


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