Q: What are the prime factors of the number 254,012,121?

 A: 3, 11, 19, 83, 1627

Why are those the prime factors of the number 254,012,121?

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 254,012,121

254,012,121
Factor Arrows
384,670,707
Factor Arrows
328,223,569
Factor Arrows
112,565,779
Factor Arrows
19135,041
Factor Arrows
831,627

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, 11, 19, 83, 1627

We can check our work by multiplying all of the prime factors together: 3 x 3 x 11 x 19 x 83 x 1,627 = 254,012,121

This can also be written as 32 x 111 x 191 x 831 x 1,6271 = 254,012,121

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


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