Q: What are the prime factors of the number 727,066,574?

 A: 2, 13, 17, 1644947

Why are those the prime factors of the number 727,066,574?

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 727,066,574

727,066,574
Factor Arrows
2363,533,287
Factor Arrows
1327,964,099
Factor Arrows
171,644,947

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, 13, 17, 1644947

We can check our work by multiplying all of the prime factors together: 2 x 13 x 17 x 1,644,947 = 727,066,574

This can also be written as 21 x 131 x 171 x 1,644,9471 = 727,066,574

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


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