Q: What are the prime factors of the number 36,543,400?

 A: 2, 5, 89, 2053

Why are those the prime factors of the number 36,543,400?

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 36,543,400

36,543,400
Factor Arrows
218,271,700
Factor Arrows
29,135,850
Factor Arrows
24,567,925
Factor Arrows
5913,585
Factor Arrows
5182,717
Factor Arrows
892,053

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, 89, 2053

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 5 x 89 x 2,053 = 36,543,400

This can also be written as 23 x 52 x 891 x 2,0531 = 36,543,400

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


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