Q: What are the prime factors of the number 2,634,720?

 A: 2, 3, 5, 11, 499

Why are those the prime factors of the number 2,634,720?

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 2,634,720

2,634,720
Factor Arrows
21,317,360
Factor Arrows
2658,680
Factor Arrows
2329,340
Factor Arrows
2164,670
Factor Arrows
282,335
Factor Arrows
327,445
Factor Arrows
55,489
Factor Arrows
11499

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, 11, 499

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 5 x 11 x 499 = 2,634,720

This can also be written as 25 x 31 x 51 x 111 x 4991 = 2,634,720

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


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