Q: What are the prime factors of the number 43,202,400?

 A: 2, 3, 5, 47, 383

Why are those the prime factors of the number 43,202,400?

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 43,202,400

43,202,400
Factor Arrows
221,601,200
Factor Arrows
210,800,600
Factor Arrows
25,400,300
Factor Arrows
22,700,150
Factor Arrows
21,350,075
Factor Arrows
3450,025
Factor Arrows
590,005
Factor Arrows
518,001
Factor Arrows
47383

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, 47, 383

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 5 x 5 x 47 x 383 = 43,202,400

This can also be written as 25 x 31 x 52 x 471 x 3831 = 43,202,400

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


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