Q: What are the prime factors of the number 242,351,340?

 A: 2, 3, 5, 7, 11, 52457

Why are those the prime factors of the number 242,351,340?

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 242,351,340

242,351,340
Factor Arrows
2121,175,670
Factor Arrows
260,587,835
Factor Arrows
320,195,945
Factor Arrows
54,039,189
Factor Arrows
7577,027
Factor Arrows
1152,457

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, 7, 11, 52457

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 5 x 7 x 11 x 52,457 = 242,351,340

This can also be written as 22 x 31 x 51 x 71 x 111 x 52,4571 = 242,351,340

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


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