Q: What are the prime factors of the number 248,617,389?

 A: 3, 107, 193, 4013

Why are those the prime factors of the number 248,617,389?

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 248,617,389

248,617,389
Factor Arrows
382,872,463
Factor Arrows
107774,509
Factor Arrows
1934,013

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, 107, 193, 4013

We can check our work by multiplying all of the prime factors together: 3 x 107 x 193 x 4,013 = 248,617,389

This can also be written as 31 x 1071 x 1931 x 4,0131 = 248,617,389

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


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