Q: What are the prime factors of the number 2,910,080?

 A: 2, 5, 4547

Why are those the prime factors of the number 2,910,080?

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 2,910,080

2,910,080
Factor Arrows
21,455,040
Factor Arrows
2727,520
Factor Arrows
2363,760
Factor Arrows
2181,880
Factor Arrows
290,940
Factor Arrows
245,470
Factor Arrows
222,735
Factor Arrows
54,547

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, 4547

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 5 x 4,547 = 2,910,080

This can also be written as 27 x 51 x 4,5471 = 2,910,080

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


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