Q: What are the prime factors of the number 461,650,560?

 A: 2, 3, 5, 7, 701

Why are those the prime factors of the number 461,650,560?

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 461,650,560

461,650,560
Factor Arrows
2230,825,280
Factor Arrows
2115,412,640
Factor Arrows
257,706,320
Factor Arrows
228,853,160
Factor Arrows
214,426,580
Factor Arrows
27,213,290
Factor Arrows
23,606,645
Factor Arrows
31,202,215
Factor Arrows
5240,443
Factor Arrows
734,349
Factor Arrows
74,907
Factor Arrows
7701

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, 7, 701

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 5 x 7 x 7 x 7 x 701 = 461,650,560

This can also be written as 27 x 31 x 51 x 73 x 7011 = 461,650,560

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


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