Q: What are the prime factors of the number 262,312,125?

 A: 3, 5, 17, 23, 1789

Why are those the prime factors of the number 262,312,125?

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 262,312,125

262,312,125
Factor Arrows
387,437,375
Factor Arrows
517,487,475
Factor Arrows
53,497,495
Factor Arrows
5699,499
Factor Arrows
1741,147
Factor Arrows
231,789

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, 5, 17, 23, 1789

We can check our work by multiplying all of the prime factors together: 3 x 5 x 5 x 5 x 17 x 23 x 1,789 = 262,312,125

This can also be written as 31 x 53 x 171 x 231 x 1,7891 = 262,312,125

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


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