Q: What are the prime factors of the number 254,400,450?

 A: 2, 3, 5, 857, 1979

Why are those the prime factors of the number 254,400,450?

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 254,400,450

254,400,450
Factor Arrows
2127,200,225
Factor Arrows
342,400,075
Factor Arrows
58,480,015
Factor Arrows
51,696,003
Factor Arrows
8571,979

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, 857, 1979

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 5 x 857 x 1,979 = 254,400,450

This can also be written as 21 x 31 x 52 x 8571 x 1,9791 = 254,400,450

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


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