Q: What are the prime factors of the number 146,153,415?

 A: 3, 5, 19, 512819

Why are those the prime factors of the number 146,153,415?

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 146,153,415

146,153,415
Factor Arrows
348,717,805
Factor Arrows
59,743,561
Factor Arrows
19512,819

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:

3, 5, 19, 512819

We can check our work by multiplying all of the prime factors together: 3 x 5 x 19 x 512,819 = 146,153,415

This can also be written as 31 x 51 x 191 x 512,8191 = 146,153,415

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


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