Q: What are the prime factors of the number 80,528,052?

 A: 2, 3, 11, 61, 73, 137

Why are those the prime factors of the number 80,528,052?

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 80,528,052

80,528,052
Factor Arrows
240,264,026
Factor Arrows
220,132,013
Factor Arrows
36,710,671
Factor Arrows
11610,061
Factor Arrows
6110,001
Factor Arrows
73137

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, 11, 61, 73, 137

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 11 x 61 x 73 x 137 = 80,528,052

This can also be written as 22 x 31 x 111 x 611 x 731 x 1371 = 80,528,052

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


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