Q: What are the prime factors of the number 235,807,456?

 A: 2, 61, 107, 1129

Why are those the prime factors of the number 235,807,456?

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 235,807,456

235,807,456
Factor Arrows
2117,903,728
Factor Arrows
258,951,864
Factor Arrows
229,475,932
Factor Arrows
214,737,966
Factor Arrows
27,368,983
Factor Arrows
61120,803
Factor Arrows
1071,129

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, 61, 107, 1129

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 61 x 107 x 1,129 = 235,807,456

This can also be written as 25 x 611 x 1071 x 1,1291 = 235,807,456

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


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