Q: What are the prime factors of the number 55,000,098?

 A: 2, 3, 19, 73, 2203

Why are those the prime factors of the number 55,000,098?

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 55,000,098

55,000,098
Factor Arrows
227,500,049
Factor Arrows
39,166,683
Factor Arrows
33,055,561
Factor Arrows
19160,819
Factor Arrows
732,203

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, 19, 73, 2203

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 19 x 73 x 2,203 = 55,000,098

This can also be written as 21 x 32 x 191 x 731 x 2,2031 = 55,000,098

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


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