Q: What are the prime factors of the number 654,048?

 A: 2, 3, 757

Why are those the prime factors of the number 654,048?

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 654,048

654,048
Factor Arrows
2327,024
Factor Arrows
2163,512
Factor Arrows
281,756
Factor Arrows
240,878
Factor Arrows
220,439
Factor Arrows
36,813
Factor Arrows
32,271
Factor Arrows
3757

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, 757

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 3 x 757 = 654,048

This can also be written as 25 x 33 x 7571 = 654,048

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


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