Q: What are the prime factors of the number 454,360,640?

 A: 2, 5, 1419877

Why are those the prime factors of the number 454,360,640?

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 454,360,640

454,360,640
Factor Arrows
2227,180,320
Factor Arrows
2113,590,160
Factor Arrows
256,795,080
Factor Arrows
228,397,540
Factor Arrows
214,198,770
Factor Arrows
27,099,385
Factor Arrows
51,419,877

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, 5, 1419877

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 5 x 1,419,877 = 454,360,640

This can also be written as 26 x 51 x 1,419,8771 = 454,360,640

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


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