Q: What are the prime factors of the number 2,913,600?

 A: 2, 3, 5, 607

Why are those the prime factors of the number 2,913,600?

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 2,913,600

2,913,600
Factor Arrows
21,456,800
Factor Arrows
2728,400
Factor Arrows
2364,200
Factor Arrows
2182,100
Factor Arrows
291,050
Factor Arrows
245,525
Factor Arrows
315,175
Factor Arrows
53,035
Factor Arrows
5607

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, 607

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 3 x 5 x 5 x 607 = 2,913,600

This can also be written as 26 x 31 x 52 x 6071 = 2,913,600

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


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