Q: What are the prime factors of the number 15,014,230?

 A: 2, 5, 7, 11, 17, 31, 37

Why are those the prime factors of the number 15,014,230?

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 15,014,230

15,014,230
Factor Arrows
27,507,115
Factor Arrows
51,501,423
Factor Arrows
7214,489
Factor Arrows
1119,499
Factor Arrows
171,147
Factor Arrows
3137

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, 5, 7, 11, 17, 31, 37

We can check our work by multiplying all of the prime factors together: 2 x 5 x 7 x 11 x 17 x 31 x 37 = 15,014,230

This can also be written as 21 x 51 x 71 x 111 x 171 x 311 x 371 = 15,014,230

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


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