Q: What are the prime factors of the number 77,557,952?

 A: 2, 1211843

Why are those the prime factors of the number 77,557,952?

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 77,557,952

77,557,952
Factor Arrows
238,778,976
Factor Arrows
219,389,488
Factor Arrows
29,694,744
Factor Arrows
24,847,372
Factor Arrows
22,423,686
Factor Arrows
21,211,843

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, 1211843

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 1,211,843 = 77,557,952

This can also be written as 26 x 1,211,8431 = 77,557,952

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


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