Q: What are the prime factors of the number 134,406,240?

 A: 2, 3, 5, 280013

Why are those the prime factors of the number 134,406,240?

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 134,406,240

134,406,240
Factor Arrows
267,203,120
Factor Arrows
233,601,560
Factor Arrows
216,800,780
Factor Arrows
28,400,390
Factor Arrows
24,200,195
Factor Arrows
31,400,065
Factor Arrows
5280,013

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:

2, 3, 5, 280013

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 5 x 280,013 = 134,406,240

This can also be written as 25 x 31 x 51 x 280,0131 = 134,406,240

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


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