Q: What are the prime factors of the number 342,031,100?

 A: 2, 5, 109, 31379

Why are those the prime factors of the number 342,031,100?

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 342,031,100

342,031,100
Factor Arrows
2171,015,550
Factor Arrows
285,507,775
Factor Arrows
517,101,555
Factor Arrows
53,420,311
Factor Arrows
10931,379

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, 5, 109, 31379

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 5 x 109 x 31,379 = 342,031,100

This can also be written as 22 x 52 x 1091 x 31,3791 = 342,031,100

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


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