Q: What are the prime factors of the number 15,046,566?

 A: 2, 3, 157, 15973

Why are those the prime factors of the number 15,046,566?

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 15,046,566

15,046,566
Factor Arrows
27,523,283
Factor Arrows
32,507,761
Factor Arrows
15715,973

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, 3, 157, 15973

We can check our work by multiplying all of the prime factors together: 2 x 3 x 157 x 15,973 = 15,046,566

This can also be written as 21 x 31 x 1571 x 15,9731 = 15,046,566

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


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