Q: What are the prime factors of the number 445,124,250?

 A: 2, 3, 5, 181, 1093

Why are those the prime factors of the number 445,124,250?

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 445,124,250

445,124,250
Factor Arrows
2222,562,125
Factor Arrows
374,187,375
Factor Arrows
324,729,125
Factor Arrows
54,945,825
Factor Arrows
5989,165
Factor Arrows
5197,833
Factor Arrows
1811,093

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, 181, 1093

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 5 x 5 x 5 x 181 x 1,093 = 445,124,250

This can also be written as 21 x 32 x 53 x 1811 x 1,0931 = 445,124,250

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


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