Q: What are the prime factors of the number 242,207,240?

 A: 2, 5, 11, 550471

Why are those the prime factors of the number 242,207,240?

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 242,207,240

242,207,240
Factor Arrows
2121,103,620
Factor Arrows
260,551,810
Factor Arrows
230,275,905
Factor Arrows
56,055,181
Factor Arrows
11550,471

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, 5, 11, 550471

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 11 x 550,471 = 242,207,240

This can also be written as 23 x 51 x 111 x 550,4711 = 242,207,240

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


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