Q: What are the prime factors of the number 116,476,245?

 A: 3, 5, 53, 73, 223

Why are those the prime factors of the number 116,476,245?

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 116,476,245

116,476,245
Factor Arrows
338,825,415
Factor Arrows
312,941,805
Factor Arrows
34,313,935
Factor Arrows
5862,787
Factor Arrows
5316,279
Factor Arrows
73223

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:

3, 5, 53, 73, 223

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 5 x 53 x 73 x 223 = 116,476,245

This can also be written as 33 x 51 x 531 x 731 x 2231 = 116,476,245

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


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