Q: What are the prime factors of the number 242,513,008?

 A: 2, 73, 397, 523

Why are those the prime factors of the number 242,513,008?

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 242,513,008

242,513,008
Factor Arrows
2121,256,504
Factor Arrows
260,628,252
Factor Arrows
230,314,126
Factor Arrows
215,157,063
Factor Arrows
73207,631
Factor Arrows
397523

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, 73, 397, 523

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 73 x 397 x 523 = 242,513,008

This can also be written as 24 x 731 x 3971 x 5231 = 242,513,008

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


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