Q: What are the prime factors of the number 67,313,545?

 A: 5, 13, 37, 2153

Why are those the prime factors of the number 67,313,545?

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 67,313,545

67,313,545
Factor Arrows
513,462,709
Factor Arrows
131,035,593
Factor Arrows
1379,661
Factor Arrows
372,153

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, 13, 37, 2153

We can check our work by multiplying all of the prime factors together: 5 x 13 x 13 x 37 x 2,153 = 67,313,545

This can also be written as 51 x 132 x 371 x 2,1531 = 67,313,545

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


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