Q: What are the prime factors of the number 150,324,440?

 A: 2, 5, 7, 257, 2089

Why are those the prime factors of the number 150,324,440?

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 150,324,440

150,324,440
Factor Arrows
275,162,220
Factor Arrows
237,581,110
Factor Arrows
218,790,555
Factor Arrows
53,758,111
Factor Arrows
7536,873
Factor Arrows
2572,089

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, 7, 257, 2089

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 7 x 257 x 2,089 = 150,324,440

This can also be written as 23 x 51 x 71 x 2571 x 2,0891 = 150,324,440

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


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