Q: What are the prime factors of the number 116,506,560?

 A: 2, 3, 5, 157, 773

Why are those the prime factors of the number 116,506,560?

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 116,506,560

116,506,560
Factor Arrows
258,253,280
Factor Arrows
229,126,640
Factor Arrows
214,563,320
Factor Arrows
27,281,660
Factor Arrows
23,640,830
Factor Arrows
21,820,415
Factor Arrows
3606,805
Factor Arrows
5121,361
Factor Arrows
157773

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, 5, 157, 773

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 3 x 5 x 157 x 773 = 116,506,560

This can also be written as 26 x 31 x 51 x 1571 x 7731 = 116,506,560

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


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