Q: What are the prime factors of the number 255,410,298?

 A: 2, 3, 11, 13, 67, 1481

Why are those the prime factors of the number 255,410,298?

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 255,410,298

255,410,298
Factor Arrows
2127,705,149
Factor Arrows
342,568,383
Factor Arrows
314,189,461
Factor Arrows
111,289,951
Factor Arrows
1399,227
Factor Arrows
671,481

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, 3, 11, 13, 67, 1481

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 11 x 13 x 67 x 1,481 = 255,410,298

This can also be written as 21 x 32 x 111 x 131 x 671 x 1,4811 = 255,410,298

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


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