Q: What are the prime factors of the number 242,246,151?

 A: 3, 7, 97, 809

Why are those the prime factors of the number 242,246,151?

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 242,246,151

242,246,151
Factor Arrows
380,748,717
Factor Arrows
326,916,239
Factor Arrows
73,845,177
Factor Arrows
7549,311
Factor Arrows
778,473
Factor Arrows
97809

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, 7, 97, 809

We can check our work by multiplying all of the prime factors together: 3 x 3 x 7 x 7 x 7 x 97 x 809 = 242,246,151

This can also be written as 32 x 73 x 971 x 8091 = 242,246,151

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


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