Q: What are the prime factors of the number 45,878,080?

 A: 2, 5, 307, 467

Why are those the prime factors of the number 45,878,080?

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 45,878,080

45,878,080
Factor Arrows
222,939,040
Factor Arrows
211,469,520
Factor Arrows
25,734,760
Factor Arrows
22,867,380
Factor Arrows
21,433,690
Factor Arrows
2716,845
Factor Arrows
5143,369
Factor Arrows
307467

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, 307, 467

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 5 x 307 x 467 = 45,878,080

This can also be written as 26 x 51 x 3071 x 4671 = 45,878,080

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


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