Q: What are the prime factors of the number 355,440,210?

 A: 2, 3, 5, 101, 117307

Why are those the prime factors of the number 355,440,210?

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 355,440,210

355,440,210
Factor Arrows
2177,720,105
Factor Arrows
359,240,035
Factor Arrows
511,848,007
Factor Arrows
101117,307

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, 101, 117307

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 101 x 117,307 = 355,440,210

This can also be written as 21 x 31 x 51 x 1011 x 117,3071 = 355,440,210

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


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