Q: What are the prime factors of the number 235,313,043?

 A: 3, 7, 19, 173, 487

Why are those the prime factors of the number 235,313,043?

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 235,313,043

235,313,043
Factor Arrows
378,437,681
Factor Arrows
711,205,383
Factor Arrows
71,600,769
Factor Arrows
1984,251
Factor Arrows
173487

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:

3, 7, 19, 173, 487

We can check our work by multiplying all of the prime factors together: 3 x 7 x 7 x 19 x 173 x 487 = 235,313,043

This can also be written as 31 x 72 x 191 x 1731 x 4871 = 235,313,043

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


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