Q: What are the prime factors of the number 240,534,138?

 A: 2, 3, 13, 23, 134077

Why are those the prime factors of the number 240,534,138?

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 240,534,138

240,534,138
Factor Arrows
2120,267,069
Factor Arrows
340,089,023
Factor Arrows
133,083,771
Factor Arrows
23134,077

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, 13, 23, 134077

We can check our work by multiplying all of the prime factors together: 2 x 3 x 13 x 23 x 134,077 = 240,534,138

This can also be written as 21 x 31 x 131 x 231 x 134,0771 = 240,534,138

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


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