Q: What are the prime factors of the number 36,534,120?

 A: 2, 3, 5, 7, 23, 31, 61

Why are those the prime factors of the number 36,534,120?

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 36,534,120

36,534,120
Factor Arrows
218,267,060
Factor Arrows
29,133,530
Factor Arrows
24,566,765
Factor Arrows
31,522,255
Factor Arrows
5304,451
Factor Arrows
743,493
Factor Arrows
231,891
Factor Arrows
3161

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, 7, 23, 31, 61

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 5 x 7 x 23 x 31 x 61 = 36,534,120

This can also be written as 23 x 31 x 51 x 71 x 231 x 311 x 611 = 36,534,120

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


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