Q: What are the prime factors of the number 255,467,322?

 A: 2, 3, 11, 29, 44491

Why are those the prime factors of the number 255,467,322?

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 255,467,322

255,467,322
Factor Arrows
2127,733,661
Factor Arrows
342,577,887
Factor Arrows
314,192,629
Factor Arrows
111,290,239
Factor Arrows
2944,491

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, 29, 44491

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 11 x 29 x 44,491 = 255,467,322

This can also be written as 21 x 32 x 111 x 291 x 44,4911 = 255,467,322

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


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