Q: What are the prime factors of the number 15,037,365?

 A: 3, 5, 7, 41, 499

Why are those the prime factors of the number 15,037,365?

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 15,037,365

15,037,365
Factor Arrows
35,012,455
Factor Arrows
51,002,491
Factor Arrows
7143,213
Factor Arrows
720,459
Factor Arrows
41499

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, 5, 7, 41, 499

We can check our work by multiplying all of the prime factors together: 3 x 5 x 7 x 7 x 41 x 499 = 15,037,365

This can also be written as 31 x 51 x 72 x 411 x 4991 = 15,037,365

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


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