Q: What are the prime factors of the number 246,143,744?

 A: 2, 7, 11, 12487

Why are those the prime factors of the number 246,143,744?

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 246,143,744

246,143,744
Factor Arrows
2123,071,872
Factor Arrows
261,535,936
Factor Arrows
230,767,968
Factor Arrows
215,383,984
Factor Arrows
27,691,992
Factor Arrows
23,845,996
Factor Arrows
21,922,998
Factor Arrows
2961,499
Factor Arrows
7137,357
Factor Arrows
1112,487

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, 7, 11, 12487

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 7 x 11 x 12,487 = 246,143,744

This can also be written as 28 x 71 x 111 x 12,4871 = 246,143,744

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


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