Q: What are the prime factors of the number 481,046,400?

 A: 2, 3, 5, 16703

Why are those the prime factors of the number 481,046,400?

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 481,046,400

481,046,400
Factor Arrows
2240,523,200
Factor Arrows
2120,261,600
Factor Arrows
260,130,800
Factor Arrows
230,065,400
Factor Arrows
215,032,700
Factor Arrows
27,516,350
Factor Arrows
23,758,175
Factor Arrows
31,252,725
Factor Arrows
3417,575
Factor Arrows
583,515
Factor Arrows
516,703

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, 16703

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 3 x 3 x 5 x 5 x 16,703 = 481,046,400

This can also be written as 27 x 32 x 52 x 16,7031 = 481,046,400

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


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