Q: What are the prime factors of the number 454,135,140?

 A: 2, 3, 5, 840991

Why are those the prime factors of the number 454,135,140?

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 454,135,140

454,135,140
Factor Arrows
2227,067,570
Factor Arrows
2113,533,785
Factor Arrows
337,844,595
Factor Arrows
312,614,865
Factor Arrows
34,204,955
Factor Arrows
5840,991

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, 840991

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 5 x 840,991 = 454,135,140

This can also be written as 22 x 33 x 51 x 840,9911 = 454,135,140

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


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