Q: What are the prime factors of the number 450,120,150?

 A: 2, 3, 5, 191, 5237

Why are those the prime factors of the number 450,120,150?

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 450,120,150

450,120,150
Factor Arrows
2225,060,075
Factor Arrows
375,020,025
Factor Arrows
325,006,675
Factor Arrows
55,001,335
Factor Arrows
51,000,267
Factor Arrows
1915,237

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, 191, 5237

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 5 x 5 x 191 x 5,237 = 450,120,150

This can also be written as 21 x 32 x 52 x 1911 x 5,2371 = 450,120,150

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


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