Q: What are the prime factors of the number 15,042,237?

 A: 3, 7, 67, 10691

Why are those the prime factors of the number 15,042,237?

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 15,042,237

15,042,237
Factor Arrows
35,014,079
Factor Arrows
7716,297
Factor Arrows
6710,691

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:

3, 7, 67, 10691

We can check our work by multiplying all of the prime factors together: 3 x 7 x 67 x 10,691 = 15,042,237

This can also be written as 31 x 71 x 671 x 10,6911 = 15,042,237

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


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