Q: What are the prime factors of the number 303,343,020?

 A: 2, 3, 5, 37, 1231

Why are those the prime factors of the number 303,343,020?

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 303,343,020

303,343,020
Factor Arrows
2151,671,510
Factor Arrows
275,835,755
Factor Arrows
325,278,585
Factor Arrows
38,426,195
Factor Arrows
51,685,239
Factor Arrows
3745,547
Factor Arrows
371,231

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, 37, 1231

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 5 x 37 x 37 x 1,231 = 303,343,020

This can also be written as 22 x 32 x 51 x 372 x 1,2311 = 303,343,020

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


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