Q: What are the prime factors of the number 36,261,280?

 A: 2, 5, 11, 1873

Why are those the prime factors of the number 36,261,280?

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 36,261,280

36,261,280
Factor Arrows
218,130,640
Factor Arrows
29,065,320
Factor Arrows
24,532,660
Factor Arrows
22,266,330
Factor Arrows
21,133,165
Factor Arrows
5226,633
Factor Arrows
1120,603
Factor Arrows
111,873

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, 5, 11, 1873

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 5 x 11 x 11 x 1,873 = 36,261,280

This can also be written as 25 x 51 x 112 x 1,8731 = 36,261,280

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


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