Q: What are the prime factors of the number 146,740,385?

 A: 5, 11, 67, 39821

Why are those the prime factors of the number 146,740,385?

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 146,740,385

146,740,385
Factor Arrows
529,348,077
Factor Arrows
112,668,007
Factor Arrows
6739,821

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:

5, 11, 67, 39821

We can check our work by multiplying all of the prime factors together: 5 x 11 x 67 x 39,821 = 146,740,385

This can also be written as 51 x 111 x 671 x 39,8211 = 146,740,385

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


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