Q: What are the prime factors of the number 314,201,340?

 A: 2, 3, 5, 241, 7243

Why are those the prime factors of the number 314,201,340?

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 314,201,340

314,201,340
Factor Arrows
2157,100,670
Factor Arrows
278,550,335
Factor Arrows
326,183,445
Factor Arrows
38,727,815
Factor Arrows
51,745,563
Factor Arrows
2417,243

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, 241, 7243

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 5 x 241 x 7,243 = 314,201,340

This can also be written as 22 x 32 x 51 x 2411 x 7,2431 = 314,201,340

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


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