Q: What are the prime factors of the number 263,547,111?

 A: 3, 53, 389, 4261

Why are those the prime factors of the number 263,547,111?

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 263,547,111

263,547,111
Factor Arrows
387,849,037
Factor Arrows
531,657,529
Factor Arrows
3894,261

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, 53, 389, 4261

We can check our work by multiplying all of the prime factors together: 3 x 53 x 389 x 4,261 = 263,547,111

This can also be written as 31 x 531 x 3891 x 4,2611 = 263,547,111

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


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