Q: What are the prime factors of the number 140,461,704?

 A: 2, 3, 149, 13093

Why are those the prime factors of the number 140,461,704?

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 140,461,704

140,461,704
Factor Arrows
270,230,852
Factor Arrows
235,115,426
Factor Arrows
217,557,713
Factor Arrows
35,852,571
Factor Arrows
31,950,857
Factor Arrows
14913,093

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, 149, 13093

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 149 x 13,093 = 140,461,704

This can also be written as 23 x 32 x 1491 x 13,0931 = 140,461,704

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


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