Q: What are the prime factors of the number 266,236,143?

 A: 3, 59, 757, 1987

Why are those the prime factors of the number 266,236,143?

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 266,236,143

266,236,143
Factor Arrows
388,745,381
Factor Arrows
591,504,159
Factor Arrows
7571,987

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, 59, 757, 1987

We can check our work by multiplying all of the prime factors together: 3 x 59 x 757 x 1,987 = 266,236,143

This can also be written as 31 x 591 x 7571 x 1,9871 = 266,236,143

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


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