Q: What are the prime factors of the number 662,417,040?

 A: 2, 3, 5, 223, 12377

Why are those the prime factors of the number 662,417,040?

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 662,417,040

662,417,040
Factor Arrows
2331,208,520
Factor Arrows
2165,604,260
Factor Arrows
282,802,130
Factor Arrows
241,401,065
Factor Arrows
313,800,355
Factor Arrows
52,760,071
Factor Arrows
22312,377

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, 223, 12377

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 223 x 12,377 = 662,417,040

This can also be written as 24 x 31 x 51 x 2231 x 12,3771 = 662,417,040

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


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