Q: What are the prime factors of the number 3,731,200?

 A: 2, 5, 11, 53

Why are those the prime factors of the number 3,731,200?

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 3,731,200

3,731,200
Factor Arrows
21,865,600
Factor Arrows
2932,800
Factor Arrows
2466,400
Factor Arrows
2233,200
Factor Arrows
2116,600
Factor Arrows
258,300
Factor Arrows
229,150
Factor Arrows
214,575
Factor Arrows
52,915
Factor Arrows
5583
Factor Arrows
1153

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, 11, 53

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 5 x 5 x 11 x 53 = 3,731,200

This can also be written as 28 x 52 x 111 x 531 = 3,731,200

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


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