Q: What are the prime factors of the number 3,877,600?

 A: 2, 5, 37, 131

Why are those the prime factors of the number 3,877,600?

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 3,877,600

3,877,600
Factor Arrows
21,938,800
Factor Arrows
2969,400
Factor Arrows
2484,700
Factor Arrows
2242,350
Factor Arrows
2121,175
Factor Arrows
524,235
Factor Arrows
54,847
Factor Arrows
37131

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, 37, 131

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 37 x 131 = 3,877,600

This can also be written as 25 x 52 x 371 x 1311 = 3,877,600

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


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