Q: What are the prime factors of the number 77,838,254?

 A: 2, 13, 41, 73019

Why are those the prime factors of the number 77,838,254?

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 77,838,254

77,838,254
Factor Arrows
238,919,127
Factor Arrows
132,993,779
Factor Arrows
4173,019

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, 13, 41, 73019

We can check our work by multiplying all of the prime factors together: 2 x 13 x 41 x 73,019 = 77,838,254

This can also be written as 21 x 131 x 411 x 73,0191 = 77,838,254

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


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