Q: What are the prime factors of the number 741,046,305?

 A: 3, 5, 43, 421, 2729

Why are those the prime factors of the number 741,046,305?

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 741,046,305

741,046,305
Factor Arrows
3247,015,435
Factor Arrows
549,403,087
Factor Arrows
431,148,909
Factor Arrows
4212,729

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, 43, 421, 2729

We can check our work by multiplying all of the prime factors together: 3 x 5 x 43 x 421 x 2,729 = 741,046,305

This can also be written as 31 x 51 x 431 x 4211 x 2,7291 = 741,046,305

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


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