Q: What are the prime factors of the number 481,624,864?

 A: 2, 7, 2150111

Why are those the prime factors of the number 481,624,864?

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 481,624,864

481,624,864
Factor Arrows
2240,812,432
Factor Arrows
2120,406,216
Factor Arrows
260,203,108
Factor Arrows
230,101,554
Factor Arrows
215,050,777
Factor Arrows
72,150,111

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, 7, 2150111

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 7 x 2,150,111 = 481,624,864

This can also be written as 25 x 71 x 2,150,1111 = 481,624,864

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


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