Q: What are the prime factors of the number 133,203,248?

 A: 2, 463, 17981

Why are those the prime factors of the number 133,203,248?

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 133,203,248

133,203,248
Factor Arrows
266,601,624
Factor Arrows
233,300,812
Factor Arrows
216,650,406
Factor Arrows
28,325,203
Factor Arrows
46317,981

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:

2, 463, 17981

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 463 x 17,981 = 133,203,248

This can also be written as 24 x 4631 x 17,9811 = 133,203,248

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


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