Q: What are the prime factors of the number 33,402,400?

 A: 2, 5, 43, 971

Why are those the prime factors of the number 33,402,400?

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 33,402,400

33,402,400
Factor Arrows
216,701,200
Factor Arrows
28,350,600
Factor Arrows
24,175,300
Factor Arrows
22,087,650
Factor Arrows
21,043,825
Factor Arrows
5208,765
Factor Arrows
541,753
Factor Arrows
43971

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, 43, 971

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 5 x 43 x 971 = 33,402,400

This can also be written as 25 x 52 x 431 x 9711 = 33,402,400

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


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