Q: What are the prime factors of the number 1,962,144?

 A: 2, 3, 757

Why are those the prime factors of the number 1,962,144?

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 1,962,144

1,962,144
Factor Arrows
2981,072
Factor Arrows
2490,536
Factor Arrows
2245,268
Factor Arrows
2122,634
Factor Arrows
261,317
Factor Arrows
320,439
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 3 x 757 = 1,962,144

This can also be written as 25 x 34 x 7571 = 1,962,144

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


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