Q: What are the prime factors of the number 242,243,298?

 A: 2, 3, 11, 113, 401

Why are those the prime factors of the number 242,243,298?

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 242,243,298

242,243,298
Factor Arrows
2121,121,649
Factor Arrows
340,373,883
Factor Arrows
313,457,961
Factor Arrows
34,485,987
Factor Arrows
31,495,329
Factor Arrows
3498,443
Factor Arrows
1145,313
Factor Arrows
113401

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, 113, 401

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 3 x 11 x 113 x 401 = 242,243,298

This can also be written as 21 x 35 x 111 x 1131 x 4011 = 242,243,298

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


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