Q: What are the prime factors of the number 235,543,520?

 A: 2, 5, 211, 6977

Why are those the prime factors of the number 235,543,520?

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 235,543,520

235,543,520
Factor Arrows
2117,771,760
Factor Arrows
258,885,880
Factor Arrows
229,442,940
Factor Arrows
214,721,470
Factor Arrows
27,360,735
Factor Arrows
51,472,147
Factor Arrows
2116,977

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, 211, 6977

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 5 x 211 x 6,977 = 235,543,520

This can also be written as 25 x 51 x 2111 x 6,9771 = 235,543,520

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


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