Q: What are the prime factors of the number 727,262,316?

 A: 2, 3, 11, 19, 163, 593

Why are those the prime factors of the number 727,262,316?

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 727,262,316

727,262,316
Factor Arrows
2363,631,158
Factor Arrows
2181,815,579
Factor Arrows
360,605,193
Factor Arrows
320,201,731
Factor Arrows
111,836,521
Factor Arrows
1996,659
Factor Arrows
163593

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, 11, 19, 163, 593

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 11 x 19 x 163 x 593 = 727,262,316

This can also be written as 22 x 32 x 111 x 191 x 1631 x 5931 = 727,262,316

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


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