Q: What are the prime factors of the number 15,030,512?

 A: 2, 7, 67, 2003

Why are those the prime factors of the number 15,030,512?

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 15,030,512

15,030,512
Factor Arrows
27,515,256
Factor Arrows
23,757,628
Factor Arrows
21,878,814
Factor Arrows
2939,407
Factor Arrows
7134,201
Factor Arrows
672,003

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, 67, 2003

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 7 x 67 x 2,003 = 15,030,512

This can also be written as 24 x 71 x 671 x 2,0031 = 15,030,512

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


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