Q: What are the prime factors of the number 345,337,768?

 A: 2, 19, 31, 83, 883

Why are those the prime factors of the number 345,337,768?

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 345,337,768

345,337,768
Factor Arrows
2172,668,884
Factor Arrows
286,334,442
Factor Arrows
243,167,221
Factor Arrows
192,271,959
Factor Arrows
3173,289
Factor Arrows
83883

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, 19, 31, 83, 883

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 19 x 31 x 83 x 883 = 345,337,768

This can also be written as 23 x 191 x 311 x 831 x 8831 = 345,337,768

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


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