Q: What are the prime factors of the number 33,143,200?

 A: 2, 5, 17, 2437

Why are those the prime factors of the number 33,143,200?

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 33,143,200

33,143,200
Factor Arrows
216,571,600
Factor Arrows
28,285,800
Factor Arrows
24,142,900
Factor Arrows
22,071,450
Factor Arrows
21,035,725
Factor Arrows
5207,145
Factor Arrows
541,429
Factor Arrows
172,437

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, 17, 2437

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 17 x 2,437 = 33,143,200

This can also be written as 25 x 52 x 171 x 2,4371 = 33,143,200

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


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