Q: What are the prime factors of the number 4,356,450?

 A: 2, 3, 5, 7, 461

Why are those the prime factors of the number 4,356,450?

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 4,356,450

4,356,450
Factor Arrows
22,178,225
Factor Arrows
3726,075
Factor Arrows
3242,025
Factor Arrows
380,675
Factor Arrows
516,135
Factor Arrows
53,227
Factor Arrows
7461

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, 7, 461

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 5 x 5 x 7 x 461 = 4,356,450

This can also be written as 21 x 33 x 52 x 71 x 4611 = 4,356,450

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


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