Q: What are the prime factors of the number 260,538,158?

 A: 2, 17, 23, 211, 1579

Why are those the prime factors of the number 260,538,158?

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 260,538,158

260,538,158
Factor Arrows
2130,269,079
Factor Arrows
177,662,887
Factor Arrows
23333,169
Factor Arrows
2111,579

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, 17, 23, 211, 1579

We can check our work by multiplying all of the prime factors together: 2 x 17 x 23 x 211 x 1,579 = 260,538,158

This can also be written as 21 x 171 x 231 x 2111 x 1,5791 = 260,538,158

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


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