Q: What are the prime factors of the number 67,620,663?

 A: 3, 11, 29, 2617

Why are those the prime factors of the number 67,620,663?

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 67,620,663

67,620,663
Factor Arrows
322,540,221
Factor Arrows
37,513,407
Factor Arrows
32,504,469
Factor Arrows
3834,823
Factor Arrows
1175,893
Factor Arrows
292,617

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, 11, 29, 2617

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 11 x 29 x 2,617 = 67,620,663

This can also be written as 34 x 111 x 291 x 2,6171 = 67,620,663

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


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