Q: What are the prime factors of the number 242,132,220?

 A: 2, 3, 5, 11, 40763

Why are those the prime factors of the number 242,132,220?

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 242,132,220

242,132,220
Factor Arrows
2121,066,110
Factor Arrows
260,533,055
Factor Arrows
320,177,685
Factor Arrows
36,725,895
Factor Arrows
32,241,965
Factor Arrows
5448,393
Factor Arrows
1140,763

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, 5, 11, 40763

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 5 x 11 x 40,763 = 242,132,220

This can also be written as 22 x 33 x 51 x 111 x 40,7631 = 242,132,220

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


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