Q: What are the prime factors of the number 10,124,784?

 A: 2, 3, 23, 1019

Why are those the prime factors of the number 10,124,784?

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 10,124,784

10,124,784
Factor Arrows
25,062,392
Factor Arrows
22,531,196
Factor Arrows
21,265,598
Factor Arrows
2632,799
Factor Arrows
3210,933
Factor Arrows
370,311
Factor Arrows
323,437
Factor Arrows
231,019

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, 23, 1019

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 23 x 1,019 = 10,124,784

This can also be written as 24 x 33 x 231 x 1,0191 = 10,124,784

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


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