Q: What are the prime factors of the number 716,544,306?

 A: 2, 3, 163819

Why are those the prime factors of the number 716,544,306?

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 716,544,306

716,544,306
Factor Arrows
2358,272,153
Factor Arrows
3119,424,051
Factor Arrows
339,808,017
Factor Arrows
313,269,339
Factor Arrows
34,423,113
Factor Arrows
31,474,371
Factor Arrows
3491,457
Factor Arrows
3163,819

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, 163819

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 3 x 3 x 3 x 163,819 = 716,544,306

This can also be written as 21 x 37 x 163,8191 = 716,544,306

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


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