Q: What are the prime factors of the number 670,161,174?

 A: 2, 3, 29, 149, 25849

Why are those the prime factors of the number 670,161,174?

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 670,161,174

670,161,174
Factor Arrows
2335,080,587
Factor Arrows
3111,693,529
Factor Arrows
293,851,501
Factor Arrows
14925,849

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, 29, 149, 25849

We can check our work by multiplying all of the prime factors together: 2 x 3 x 29 x 149 x 25,849 = 670,161,174

This can also be written as 21 x 31 x 291 x 1491 x 25,8491 = 670,161,174

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


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