Q: What are the prime factors of the number 235,211,320?

 A: 2, 5, 17, 20347

Why are those the prime factors of the number 235,211,320?

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 235,211,320

235,211,320
Factor Arrows
2117,605,660
Factor Arrows
258,802,830
Factor Arrows
229,401,415
Factor Arrows
55,880,283
Factor Arrows
17345,899
Factor Arrows
1720,347

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, 17, 20347

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 17 x 17 x 20,347 = 235,211,320

This can also be written as 23 x 51 x 172 x 20,3471 = 235,211,320

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


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