Q: What are the prime factors of the number 481,260,720?

 A: 2, 3, 5, 61, 71, 463

Why are those the prime factors of the number 481,260,720?

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 481,260,720

481,260,720
Factor Arrows
2240,630,360
Factor Arrows
2120,315,180
Factor Arrows
260,157,590
Factor Arrows
230,078,795
Factor Arrows
310,026,265
Factor Arrows
52,005,253
Factor Arrows
6132,873
Factor Arrows
71463

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, 61, 71, 463

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 5 x 61 x 71 x 463 = 481,260,720

This can also be written as 24 x 31 x 51 x 611 x 711 x 4631 = 481,260,720

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


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