Q: What are the prime factors of the number 342,133,408?

 A: 2, 409, 26141

Why are those the prime factors of the number 342,133,408?

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 342,133,408

342,133,408
Factor Arrows
2171,066,704
Factor Arrows
285,533,352
Factor Arrows
242,766,676
Factor Arrows
221,383,338
Factor Arrows
210,691,669
Factor Arrows
40926,141

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, 409, 26141

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 409 x 26,141 = 342,133,408

This can also be written as 25 x 4091 x 26,1411 = 342,133,408

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


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