Q: What are the prime factors of the number 61,561,026?

 A: 2, 3, 19, 29, 2069

Why are those the prime factors of the number 61,561,026?

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 61,561,026

61,561,026
Factor Arrows
230,780,513
Factor Arrows
310,260,171
Factor Arrows
33,420,057
Factor Arrows
31,140,019
Factor Arrows
1960,001
Factor Arrows
292,069

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, 29, 2069

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 19 x 29 x 2,069 = 61,561,026

This can also be written as 21 x 33 x 191 x 291 x 2,0691 = 61,561,026

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


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