Q: What are the prime factors of the number 273,416,814?

 A: 2, 3, 11, 17, 29, 2801

Why are those the prime factors of the number 273,416,814?

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 273,416,814

273,416,814
Factor Arrows
2136,708,407
Factor Arrows
345,569,469
Factor Arrows
315,189,823
Factor Arrows
111,380,893
Factor Arrows
1781,229
Factor Arrows
292,801

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, 17, 29, 2801

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 11 x 17 x 29 x 2,801 = 273,416,814

This can also be written as 21 x 32 x 111 x 171 x 291 x 2,8011 = 273,416,814

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


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