Q: What are the prime factors of the number 1,230,624?

 A: 2, 3, 4273

Why are those the prime factors of the number 1,230,624?

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 1,230,624

1,230,624
Factor Arrows
2615,312
Factor Arrows
2307,656
Factor Arrows
2153,828
Factor Arrows
276,914
Factor Arrows
238,457
Factor Arrows
312,819
Factor Arrows
34,273

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, 4273

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 3 x 4,273 = 1,230,624

This can also be written as 25 x 32 x 4,2731 = 1,230,624

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


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