Q: What are the prime factors of the number 727,155,210?

 A: 2, 3, 5, 439, 55213

Why are those the prime factors of the number 727,155,210?

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 727,155,210

727,155,210
Factor Arrows
2363,577,605
Factor Arrows
3121,192,535
Factor Arrows
524,238,507
Factor Arrows
43955,213

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, 5, 439, 55213

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 439 x 55,213 = 727,155,210

This can also be written as 21 x 31 x 51 x 4391 x 55,2131 = 727,155,210

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


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