Q: What are the prime factors of the number 702,243,162?

 A: 2, 3, 41, 419, 757

Why are those the prime factors of the number 702,243,162?

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 702,243,162

702,243,162
Factor Arrows
2351,121,581
Factor Arrows
3117,040,527
Factor Arrows
339,013,509
Factor Arrows
313,004,503
Factor Arrows
41317,183
Factor Arrows
419757

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, 41, 419, 757

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 41 x 419 x 757 = 702,243,162

This can also be written as 21 x 33 x 411 x 4191 x 7571 = 702,243,162

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


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