Q: What are the prime factors of the number 61,728,396?

 A: 2, 3, 59, 87187

Why are those the prime factors of the number 61,728,396?

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 61,728,396

61,728,396
Factor Arrows
230,864,198
Factor Arrows
215,432,099
Factor Arrows
35,144,033
Factor Arrows
5987,187

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, 59, 87187

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 59 x 87,187 = 61,728,396

This can also be written as 22 x 31 x 591 x 87,1871 = 61,728,396

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


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