Q: What are the prime factors of the number 240,624?

 A: 2, 3, 557

Why are those the prime factors of the number 240,624?

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 240,624

240,624
Factor Arrows
2120,312
Factor Arrows
260,156
Factor Arrows
230,078
Factor Arrows
215,039
Factor Arrows
35,013
Factor Arrows
31,671
Factor Arrows
3557

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, 557

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 3 x 557 = 240,624

This can also be written as 24 x 33 x 5571 = 240,624

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


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